Modified Makefile

* Changed C compiler to i686-pc-mingw32-gcc
* Changed MQL compiler to metalang
* Refactored Makefile
* Make 2 ex4 files compilable (starts with test_)
* Delete dll when clean executed
Modified sqlite3_wrapper.c to make compilable with i686-pc-mingw32-gcc

* To avoid the following linkage error:

        sqlite3_wrapper.o:sqlite3_wrapper.c:(.text+0x9a): undefined reference to `SHGetFolderPathAndSubDir'
Modified test_journal.mq4

* Fixed misspelled function call
Update sqlite3 to 3.8.2
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
Added binding features and int/double column value getter
Merge pull request #7 from micclly/add-binding-feature

Added binding features and int/double column value getter
Merge pull request #2 from micclly/modify-makefile-for-i686-pc-mingw32-gcc

Modified Makefile
Merge pull request #3 from micclly/modify-wrapper-for-i686-pc-mingw32-gcc

Modified sqlite3_wrapper.c to make compilable with i686-pc-mingw32-gcc
Merge pull request #4 from micclly/fix-mq4-compile-error

Modified test_journal.mq4
Merge pull request #5 from micclly/update-sqlite3-to-3.8.2

Update sqlite3 to 3.8.2
Resolve conflict in binary
Use dll from #7 PR
Removed APPDATA_PATHS definition
Modified for new MQL4
Modified test script for new MQL4
Moved files to under MQL4/ directory
Added README.md
Update README.md