Unifi-python-api

fixed issue 2 caused by a typo with "if (in_array()...", thanks go to LuFlo for catching that

- minor code clean up
- added archive_alarm() function/method

- added list_known_rogueaps() function/method
- added stat_status() function/method
- added power_cycle_switch_port() function/method

- removed repetitive code (json_decode and $this>baseurl)
- added capture of JSON decoding errors when debug = true
- use intval() on function/method parameters which must be an integer
- further parameter validation/checks

added new functions for 5-minutes stats and minor code cleanup:
- added stat_5minutes_site() method/function
- added stat_5minutes_aps() method/function
- added optional parameter to list_dashboard() method/function to allow fetching of 5minutes stats