WSSQL-3 Changes from code review
-Improved package name
-Updated ANTLR licence URL
-Updated wssql ecl definition to default client ver 1.0
-Made use of appendf in order to minimize multiple append calls
-Removed various superfluous lines of code, and comments
-Clean-up
-Declared const methods appropriately
-Declared destructors virtual appropriately
-fixed various spelling errors