Updated version information
Added test for qcl_data_model_PersistentModel
Logger uses only QCL_LOG_FILE constant now, no longer QCL_LOG_PATH
Removed and optimized settings in server configuration file
Moved automatic detection of DSN out of qcl_data_db_Manager into qcl_application_Application
Refactoring of qcl data classes based on test results
Added test for qcl_data_model_db_ActiveRecord