Code improvements

A lot of code improvements.
Without compiled binary.
Fixed bug with MaxLength checking

Wasn't work with only UNBLOCK_FLAG - fixed.
sql optimizations

without binary.
Added SQL-Escaping and rewrited UnBlock logic.

Added a lot of sql-escaping to queries.
Code of `temporary unlocking` moved to separate function `TempUnBlock`
Rewrited ProcessUnBlock and callback for using `TempUnBlock` function.
Moved players rechecking to Got Database callback

+ Modified VerifyBlocks callback to ignore already disabled chat or
voice.
+ bug fixes in DB_Lost_Conn.
Commit without compiled binary.
Fixing bug with rechecking system

Commit without binary.
0.8.158 release

See changelog for details.