PrjZipWSDir Add-In insert to zip workspace folder name and source files only.
Zip filename is workspace name with time stamp.
Useful for backup project.
This version uses zip features from Pelle's support[64].dll
EDIT: fixed using string list for small projects, in PrjZipWSDir_WS_2.zip.
Example file: PrjZipWSDir_WS-201708041217.zip