NetHelper release 1.5.3
Do not mix versions of NetHelper between different copies of Outpost 2 when playing multiplayer!
Changelog:
- Updated to newer versions of libnatpmp and miniupnp.
- Cuts down cleanup/destruction on application closing from 3 mins to 8 secs.
- Changed dependency references from precompiled library files to Git submodules.
- Removed dependencies on msvcr100.dll and msvcp100.dll by statically compiling.
- Set release compilation optimization properties closer to MSVC default settings.
- Removed deprecated POSIX networking functions.
- Update code to remove benign variable type conversion warning in Patcher.