Updated to Version 1.0_b1

* Moved some of the elif's in parseInput around
+ Parentheses are now handled dynamically: if they are found in a
command, they will be executed and have the result replace the statement
inside the parentheses.
* Changed some things in the help dialogs to make it more uniform
+ Changed the grouping of some of the help topics in the help dialog
- Removed a debug message
- Removed scanning for parenthesis in defineVariable