------------------- * handle corrupted egginst info jason file more gracefully, rather than crashing
4.5.2
------------------- * fixed using correct executable when prefix is not sys.prefix
4.5.1
------------------- * add compression and caching of webservice index files * fixed scripts being created on Windows when enpkg is run with pythonw * simplified much of the revert code, by only allowing actual revision numbers (instead of also allowing date times)