Remove redundant variable re-assignments.
Be consistent with `nullptr`.
Use `void` instead of `VOID`.
MPCTestAPIDlg.cpp: Check return value and add a cast to shut up /analyze.
Use ZeroMemory in more places instead of {0,0}.
Cleanup
cleanup
temp22
Clean up dead code.
Re-create icon.ico.

Include all icon sizes, 256, 48, 32, 16.
Enable SSE2 optimizations.

LAV Filters requires SSE2, see https://github.com/Nevcairiel/LAVFilters/commit/c0bf54f6863db9fd6c522179d049a8a5a6811884
Remove installer messages and checks for SSE.
Update ZenLib to v0.4.29 r481.