Common execution and self elevation

Invoke-Process is a simple wrapper function that aims to "PowerShellyify" launching typical external processes. There are lots of ways to invoke processes in PowerShell with Start-Process, Invoke-Expression, & and others but none account well for the various streams and exit codes that an external process returns. Also, it's hard to write good test... More info

Collection of frequently used helper functions. Required by other Executech scripts and modules.