diff --git a/package-lock.json b/package-lock.json
index 98fc377..cf93565 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1015,6 +1015,26 @@
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-            "fdir": "^3.4.3",
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-            "mkdirp": "^1.0.4",
-            "rimraf": "^3.0.2"
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-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
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+        "errlop": {
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+          "resolved": "https://registry.npmjs.org/errlop/-/errlop-4.5.0.tgz",
+          "integrity": "sha512-oUGLzMxSQ/wfkq2hTIJv66Y6WAqCXM+10BKdllOrQFvc6bqcSomL2pUcflazdcOtodT7agUJ8tz75XzBtL1o0w==",
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@@ -1550,6 +1494,12 @@
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+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
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@@ -1560,6 +1510,28 @@
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+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
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+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
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+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
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+              "dev": true
+            }
+          }
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@@ -1864,6 +1836,12 @@
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+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
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+        },
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           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
@@ -1874,6 +1852,28 @@
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           }
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+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          },
+          "dependencies": {
+            "errlop": {
+              "version": "3.17.0",
+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+              "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+              "dev": true
+            }
+          }
+        },
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           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
@@ -1965,6 +1965,12 @@
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+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
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+          "dev": true
+        },
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           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
@@ -1975,6 +1981,28 @@
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+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          },
+          "dependencies": {
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+              "version": "3.17.0",
+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+              "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+              "dev": true
+            }
+          }
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@@ -2069,6 +2097,12 @@
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+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
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+          "dev": true
+        },
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@@ -2079,6 +2113,28 @@
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+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          },
+          "dependencies": {
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+              "version": "3.17.0",
+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+              "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+              "dev": true
+            }
+          }
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@@ -2589,6 +2645,34 @@
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+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
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+          "dev": true
+        },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          },
+          "dependencies": {
+            "errlop": {
+              "version": "3.17.0",
+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+              "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+              "dev": true
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@@ -3203,6 +3287,34 @@
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         "valid-directory": "^2.4.0",
         "valid-module": "^1.5.0"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
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+          "dev": true
+        },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
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+        "errlop": {
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+          "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+          "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+          "dev": true
+        }
       }
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@@ -3436,6 +3548,34 @@
         "typedoc": "^0.17.7",
         "typescript": "^3.9.5",
         "valid-directory": "^2.4.0"
+      },
+      "dependencies": {
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+          "version": "14.17.7",
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+          "dev": true
+        },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
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+        "errlop": {
+          "version": "3.17.0",
+          "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
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+          "dev": true
+        }
       }
     },
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@@ -3461,6 +3601,34 @@
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         "valid-directory": "^2.4.0",
         "valid-module": "^1.5.0"
+      },
+      "dependencies": {
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+          "dev": true
+        },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          }
+        },
+        "errlop": {
+          "version": "3.17.0",
+          "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+          "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+          "dev": true
+        }
       }
     },
     "get-stdin": {
@@ -3504,6 +3672,34 @@
         "typescript": "^3.9.5",
         "valid-directory": "^2.4.0",
         "valid-module": "^1.5.0"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
+          "integrity": "sha512-SYTdMaW47se8499q8m0fYKZZRlmq0RaRv6oYmlVm6DUm31l0fhOl1D03X8hGxohCKTI2Bg6w7W0TiYB51aJzag==",
+          "dev": true
+        },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          }
+        },
+        "errlop": {
+          "version": "3.17.0",
+          "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+          "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+          "dev": true
+        }
       }
     },
     "getpass": {
@@ -3544,6 +3740,12 @@
         "valid-module": "^1.5.0"
       },
       "dependencies": {
+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
+          "integrity": "sha512-SYTdMaW47se8499q8m0fYKZZRlmq0RaRv6oYmlVm6DUm31l0fhOl1D03X8hGxohCKTI2Bg6w7W0TiYB51aJzag==",
+          "dev": true
+        },
         "ansi-styles": {
           "version": "4.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
@@ -3554,6 +3756,28 @@
             "color-convert": "^2.0.1"
           }
         },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          },
+          "dependencies": {
+            "errlop": {
+              "version": "3.17.0",
+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+              "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+              "dev": true
+            }
+          }
+        },
         "chalk": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
@@ -3646,6 +3870,12 @@
         "valid-module": "^1.5.0"
       },
       "dependencies": {
+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
+          "integrity": "sha512-SYTdMaW47se8499q8m0fYKZZRlmq0RaRv6oYmlVm6DUm31l0fhOl1D03X8hGxohCKTI2Bg6w7W0TiYB51aJzag==",
+          "dev": true
+        },
         "ansi-styles": {
           "version": "4.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
@@ -3656,6 +3886,28 @@
             "color-convert": "^2.0.1"
           }
         },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          },
+          "dependencies": {
+            "errlop": {
+              "version": "3.17.0",
+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+              "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+              "dev": true
+            }
+          }
+        },
         "chalk": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
@@ -6344,6 +6596,12 @@
         "valid-directory": "^2.4.0"
       },
       "dependencies": {
+        "@types/node": {
+          "version": "14.17.7",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.7.tgz",
+          "integrity": "sha512-SYTdMaW47se8499q8m0fYKZZRlmq0RaRv6oYmlVm6DUm31l0fhOl1D03X8hGxohCKTI2Bg6w7W0TiYB51aJzag==",
+          "dev": true
+        },
         "ansi-styles": {
           "version": "4.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
@@ -6354,6 +6612,28 @@
             "color-convert": "^2.0.1"
           }
         },
+        "assert-helpers": {
+          "version": "6.19.0",
+          "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-6.19.0.tgz",
+          "integrity": "sha512-2YQ4fNEKXG83AGNgBEnX76z+t/IMlr3mwFQleDLmVQo3ccVeTHFmXFh88GpGhxYV9VEelkiqha1MRkHsuDgJMQ==",
+          "dev": true,
+          "requires": {
+            "@types/ansicolors": "^0.0.33",
+            "@types/diff": "^4.0.2",
+            "@types/node": "^14.0.27",
+            "ansicolors": "^0.3.2",
+            "diff": "^4.0.2",
+            "errlop": "^3.14.0"
+          },
+          "dependencies": {
+            "errlop": {
+              "version": "3.17.0",
+              "resolved": "https://registry.npmjs.org/errlop/-/errlop-3.17.0.tgz",
+              "integrity": "sha512-TDlb+YMx08OiaLq1g7Hu0nDca/oLo+LpMEgEI2lybBKE1rB8qsqFgXzEbnn1LU6NfDCfIdVcl3073aO3ZLTYNg==",
+              "dev": true
+            }
+          }
+        },
         "chalk": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
@@ -6429,6 +6709,21 @@
         "extsprintf": "^1.2.0"
       }
     },
+    "version-compare": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/version-compare/-/version-compare-1.4.0.tgz",
+      "integrity": "sha512-mhSGH/W+zv2JuoeefqEbtfSCrHbQD4DhvYXplTnzIllJ58VMuMrRt+2zSmoUb0exBCSKVB05sTPirQwxFhUbbQ==",
+      "dev": true
+    },
+    "version-range": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/version-range/-/version-range-1.4.0.tgz",
+      "integrity": "sha512-X5aUE7gsPxMld7+LENKEKolrtSDmF4xUcljaUz4uCZXQMj2D16UoyUkr4dYXhrsJjjgf7pe5SnDZQ1puz59kfw==",
+      "dev": true,
+      "requires": {
+        "version-compare": "^1.2.0"
+      }
+    },
     "which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/package.json b/package.json
index 5b26f39..e74dd16 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
     "@babel/plugin-proposal-object-rest-spread": "^7.10.3",
     "@babel/preset-env": "^7.10.3",
     "@bevry/update-contributors": "^1.10.0",
-    "assert-helpers": "^6.10.0",
+    "assert-helpers": "^8.4.0",
     "eslint": "^7.3.0",
     "eslint-config-bevry": "^3.10.0",
     "eslint-config-prettier": "^6.11.0",