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