Added vban_in/vban_out to definetypes in base
Added string attribute label for strips
Added vban.ps1 which defines instream/oustream attributes.
Version bumped and changelog updated
Unit tests updated to reflect changes
Added fetch dll path through registry.
Added custom error class VBPathError in case dll path was not found
Added function Setup_DLL to base.ps1
Wrapper setup stops if setup_dll returns false (no login, no class setup)
Now using a nested hash for mult_set
added macrobutton commands to multi_set
updated example changelog and readme to reflect changes
minor version bumped
Added CHANGELOG to document changes.
Added installation instructions to README and link to FROM_SOURCE for alternative script loading instructions.
Modified examples in README to reflect recent changes to module
