Unpacker: v31.x64 - Adjust size of data searched when determining the variant version. Fixes #56
Misc: Update project copyrights.
Misc: Remove some unused/dead code from the UI.
Update Paypal links to use newer Paypal.me format.
Fix issue with structure size casting that can cause an exception when trying to read a stub header structure.
Fix typo's on some spelling.
Added new UseExperimentalFeatures option.
Added new dynamic offset reader for v2 stub parser to better support more files. (experimental feature)
General code cleanup.
- Implements the base 64bit file handling / reading.
- This is untested and more or just less ported from the 32bit files. May have issues, will resolve as we get there.
