Close #152 - Add support for reading shebang
:memo: Update shebang method layout and documentation
Refactor argument concat logic
Add examples with shebangs
Add File Based support for PowerShell
Merge pull request #167 from erran/powershell-support

Add File Based PowerShell support
Prepare 2.8.0 release
Merge pull request #153 from erran/shebang

Close #152 - Add support for reading shebang