Added loading support to the clocktime database.
Added documentation to the clocktime object and parts of the clocktime
database.
Added support for caching the clocktime database on every write.
Made the clock GUI load the clocktime database that was last saved by
default, in case of a power outage.
Added complete documentation to the ClockGUI class.
Added a clock to the ClockGUI class.
Separated the render of the central panel from the external panels, to
decrease clock render time.
Disabled the network server access.