fixed warnings in `FMStatementSplitter` when compiling for mac 64-bit
added an example for using FMSQLStatementSplitter in main.m
README updated for FMSQLStatementSplitter usage
added appledoc-style documentation to headers of FMSQLStatementSplitter
Merge pull request #250 from OpenFibers/master

Some commits for FMSQLStatementSplitter