Fixed reallocation bug
Added filters to the logger.
Fixed CC_SUPPORT_BLOCKS usage
Simplified filtering system, and solved potential problem of data changing by the second call for CCLogFilterSpecifier type filters
Fixed reallocation bug
Modified documentation to reflect changes made to filtering
Cleaned up buffer write and remove a little
Added constructor and destructor attributes
Converted CCLogObjc to use the filtering system for implementing the object specifier for object conversion