* Page now allows additions to the header (as an Element object) and appends those after Page::render() is called
* Viewport is now a variable
* ::constructHead now uses Element objects
* Fixed element not rendering when passed as a single parameter to other element
* Allow override of primary key in table
Merge branch 'pio' of github.com:SleepingInsomniac/LXapi
* Fixed an additional columns related problem in table.class
* Fixed an array type casting issue with page elements