Windows support + README update

v59: Concurrent mode + W-W buffer + benchmarks

Enhance checkpoint handling for TRAP and HUNT phases

Delete psckangaroo

Delete RESULTS.TXT

v57c: Fix W-W formula (remove gStart), fix BSGS FP counter, increase BSGS queue, add BSGS stats to ALL-WILD display

v57b: Fix BSGS FP counter, remove resonant spawning, simplify collision check

Update changelog for version v57 and v56C

v57: Remove endo canonical, cheap point, XDP (kTimesG feedback)

Fix formatting of license message in output

Update README.md

Update credits in README.md

Update README to reference Puzzle 80 validation

Change section title to 'Bug Fixes During Development'

Update README.md