[win32] Download and extract PCRE depend package
[win32] Use headers and static libs from PCRE package
[win32] Remove PCRE project from solution
[win32] Remove win32 PCRE lib source files
[win32] Delete old unused PCRE package files
[WIN32] fixed: stray backslash.
Merge pull request #3251 from Karlson2k/no_win32_pcre

Replace PCRE win32 project with depend package
removed all methods related to loading string blocks into memory. afaik this is obsolete and not in use anymore.
fixed possible but unlikely overflow.
Merge pull request #3249 from wsoltys/remove_stringblock

[RFC] remove all methods related to loading string blocks into memory.