-Added initialization function to Lexer and called it in Reset
-Began adding Symantic Actions to basic assignment statement in GrammarRules.cs
- Restarted Lexer in the Grammar's NextPhase function.
-Added PrintSyntaxError to SemanticRoutines to deal with silent error handling in pass 2
- Switch to the proper logical and from logcal or in FindSymId and SymbolExistsInScope in SymbolTable.
-Deleted pointless ExistsInScope stub from SymbolTable.cs