3.1.2

• added create_cache method will be used if cache is on, and directory doesn't exits. set directory with setCache_Dir(path); default is 'tmp/ez_cache'
• changed some ez_sql_core.php properties to protected and added general __call method for access: get{property}, set{property}.
• various bug fixes, #150

Note: This is last release under the branch, will only receive bug fixes when reported. Next version master will carry is 4. https://github.com/ezSQL/ezSQL/tree/v4