Changes include:
- Removed the definitions of member variables that had the same values as their inherited defaults. These can be removed since the default values apply anyway.
- Removed superfluous code form execute command.

Fixed #86 in the process

Code cleanup for TelegramException.php

Code cleanup for `Commands`

Initial code cleanup of `Admin commands`.

Smaller typo fixes.

No functional changes, only modifications of documentation and code layout.

No functional changes, only modifications of documentation and code layout.

Code cleanup of Command.php

Code cleanup of Request.php

Initial code cleanup of `DB.php`.

No functional changes, only modifications of documentation and code layout.

No functional changes, only modifications of documentation and code layout.
Also corrected a few error messages.

No functional changes, only slight modifications of documentation and code layout.

No functional changes, only slight modifications of documentation and code layout.
This commit is mainly to discuss with the project members if this style is ok and can be further refined.

Change "GeoBot" to actual botname set in Init.

Fixed wrong function name.