pretty good progress

One day progress:
* Added DEFAULT_THEME, THEME_PATH, THEME_DIR constants
* Fixed the row count problem
* Updated PDO-Mysql lib
* added delete function to Database class
* Changed qpdb to QPDB
* Added a Page class
* change opt_get and opt_set to get_option and set_option
* Added delete_option function
* Added a Theme class to help setup theme feature detection and other
* Added some basic files to theme
* Added manifest.json file to theme for detection and features
recognition