Update binaries

* C Compiler: i686-pc-mingw32-gcc 4.7.3
* SQLite: 3.8.2
* MQL Compiler: MT4 build 509
Removed ex4 files and ignored
Merge branch 'update-binaries_i686-pc-mingw32-gcc_sqlite3.8.2_mt4build509' into develop
Added binding features and int/double column value getter