diff --git a/InputValidation.xcodeproj/project.pbxproj b/InputValidation.xcodeproj/project.pbxproj
index bd00bb6..1f671ba 100644
--- a/InputValidation.xcodeproj/project.pbxproj
+++ b/InputValidation.xcodeproj/project.pbxproj
@@ -638,7 +638,7 @@
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = 6T6JS869VN;
+				DEVELOPMENT_TEAM = 96M889ZPMH;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
@@ -662,7 +662,7 @@
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = 6T6JS869VN;
+				DEVELOPMENT_TEAM = 96M889ZPMH;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
diff --git a/InputValidation/InputValue.swift b/InputValidation/InputValue.swift
index 810b020..3749cf3 100644
--- a/InputValidation/InputValue.swift
+++ b/InputValidation/InputValue.swift
@@ -99,7 +99,7 @@ extension InputValue {
     public var toFloat: Float? { return NumberFormatter().number(from: toString)?.floatValue }
     public var toDouble: Double? { return NumberFormatter().number(from: toString)?.doubleValue }
     public var toBool: Bool? { return nil }
-    public var toString: String { return String(describing: self) }
+    public var toString: String { return description }
     public var isEmpty: Bool { return toString.replacingOccurrences(of: " ", with: "").count == 0 }
 
     public func isBetween<T: InputValue, X: InputValue>(min: T, max: X) -> Bool {
@@ -166,6 +166,7 @@ extension InputValue {
 
 extension String: InputValue {
     public var type: ValueType { return .string }
+    public var toBool: Bool? { return Bool(description.lowercased()) }
 }
 
 extension NSNumber: InputValue {
diff --git a/InputValidationTests/InputValidationTests.swift b/InputValidationTests/InputValidationTests.swift
index a862af7..c212b8d 100644
--- a/InputValidationTests/InputValidationTests.swift
+++ b/InputValidationTests/InputValidationTests.swift
@@ -22,6 +22,8 @@ class InputValidationTests: XCTestCase {
         XCTAssertFalse((1321321 as InputValue).matches(regex: "^[a-zA-Z]+$"), "Expected 1321321.matches(regex: '^[a-zA-Z]+$') to be false")
         XCTAssertFalse((1321321 as InputValue).matches(regex: "^[a-zA-Z]+$"), "Expected 1321321.matches(regex: '^[a-zA-Z]+$') to be false")
         XCTAssertFalse(("askSSdjhDask" as InputValue).matches(regex: "^[0-9]+$"), "Expected askSSdjhDask.matches(regex: '^[0-9]+$') to be false")
+        XCTAssertFalse((true as InputValue).matches(regex: "^[0-9]+$"), "Expected true.matches(regex: '^[0-9]+$') to be false")
+        XCTAssertFalse((false as InputValue).matches(regex: "^[0-9]+$"), "Expected false.matches(regex: '^[0-9]+$') to be false")
     }
     
     func testNumber() {
@@ -44,10 +46,14 @@ class InputValidationTests: XCTestCase {
     }
     
     func testBool() {
-        XCTAssertNotNil(true.toBool, "Expected true.toBool to be 'true' not nil")
-        XCTAssertNotNil(false.toBool, "Expected true.toBool to be 'false' not nil")
         XCTAssertTrue(true.toBool!, "Expected true.toBool to be true")
-        XCTAssertFalse(false.toBool!, "Expected true.toBool to be false")
+        XCTAssertFalse(false.toBool!, "Expected false.toBool to be false")
+        XCTAssertTrue("true".toBool!, "Expected 'true'.toBool to be 'true'")
+        XCTAssertFalse("false".toBool!, "Expected 'false'.toBool to be false")
+        XCTAssertTrue("TRUE".toBool!, "Expected 'TRUE'.toBool to be 'true'")
+        XCTAssertFalse("FALSE".toBool!, "Expected 'FALSE'.toBool to be false")
+        XCTAssertTrue("True".toBool!, "Expected 'True'.toBool to be 'true'")
+        XCTAssertFalse("False".toBool!, "Expected 'False'.toBool to be false")
         makeValueTypeTest(type: .bool)
     }