resolve Rebel028#6 with a better version change detection

resolve Rebel028#6 with a better version change detection

add support for F# & close Rebel028#5

fix Rebel028#4 to fail on nuget errors & fix git tag check

fix cross platform dotnet check & log missing nuget_key

fix cross platform dotnet check & log missing nuget_key

* make dotnet check cross-platform (the `command` command is not available outside powershell on windows)

* log output when `nuget_key` input is not supplied

fix Rebel028#2 cross platform git command issues

replace execSync with spawnSync as the former is unable to capture the stdout of a command on windows

init