Added examples to README for addTab and renameTab options; Added
documentation for activate function; Corrected return values for addTab
and renameTab functions; Removed documentation for makeID function; Added
documentation for randomInt function; Updated documentation for renameTab function to match changes to code; Added prevent default on tab click; Refactored activate function - panelID should not be prefixed with a hash sign; Removed makeID function, added randomInt function