* FIXED: Bug when the output path for packages may contain `:`
         e.g. like absolute path from %cd% ~ D:\path\...

* FIXED: Possible 'The request was aborted: Could not create SSL/TLS secure channel.'
         Related issue: https://github.com/3F/DllExport/issues/77#issuecomment-405055379

* NEW: Implemented proxy support via `$(proxycfg)`. Issue #5