Fixed issues with Copy command in PowerShell Interactive Window

An error would be show if right clicking to copy from the interactive window. Attempting to copy text that was not part of the command line would fail to copy.

Added system requirements and features to the VS Code extension’s welcome page

Added the system requirements necessary to run the extension as well as the packager to the welcome page of the extension.

Added the proper prerequisites for the Visual Studio extension

Previously, the Visual Studio extension would install even if Visual Studio did not have the correct components available to run the debugger. The proper dependencies have now been defined in the VSIX to enforce the installation of these components.

Fixed a Visual Studio Crash on Exit of Visual Studio

A background thread in PoshTools could throw an exception when exiting Visual Studio causing it to crash.