Update COPYING and README to markdown versions with new license + hel…

…p text.

Removed forgotten debug message

Improvements/tests for SEM_LIVE locking

Fixed HTTPS-related crash

LSP: improved updater

Fixed 32-bit compile issues

Added support for GET variable passing in HTTP::Parser::BuildRequest()

Fix statistics in Free edition

Added sharedFile::exists() call to match version in sharedPage class,…

… fixed sharedPage::exists not being inside SHM_ENABLED block.

What... the hell? Why does this...? Oh well. MAC BUILDS FIXED