Added ExistingModules to packages, for module dependent package manifest
Moved PowerLine styling code to the PowerLine pacakge.
Added Package install code generation to Get-MyModules.
Fixed typo in EnsureJoinString
Fixed: Scoop operations would fail calling internal url function.
+ base/Get-MyModules added
* base/profile.d/Test-MyModules modified to use Get-MyModules
* Setup-Profile modified so that sudo witll preserve environment
* Get-Path fixed bug introduced in last commit, Get-Path would fail when
file to be edited didn't exist