BFWQuery: Added sqlString readonly property; Renamed property columns to columnDictArray; added columnCount and columnNames accessor methods. BFWResultDictionary: added as subclass of NSDictionary, with lazy getting of objectForKey. Changed braces spacing style.
Removed unused method queryStringForDict
Removed separators from #pragma marks
BFWQueryTests: testCaseInsensitiveKeysInQuery, testInsertAndCount
BFWQueryTests: added missing \n in SQL