Add a separate file for all the global variables in LED
Allow the IDE to accept run()  to run and evaluate terms without a program. Use default arguments to implement this.
remove "see complieLog.txt for details" message from the compiler.
use the global variable "Program" in GlobalVar.py
Refactor the functions. Delete duplicate and unused functions
Tokenize double period '..'
Move module testing code to ModuleTest.py
Add test cases for the rule T0   ->   { term .. term }.
Add rule T0   ->   { term .. term }.
Add test cases for rule T0    ->  { term .. term }.