update install script

install.sh

@@ -1,3 +1,11 @@
 #!/bin/bash
 
-pipx install --python python3.9 --force $1 .
+# optional pipx arguments can be passed as the first argument
+# e.g. ./install.sh --verbose --editable
+
+# Remove existing installs
+pipx uninstall ClayCodeTests > /dev/null 2>&1
+pipx uninstall ClayCode > /dev/null 2>&1
+
+# Install the package
+pipx install --python python3.10 --force $1 .