SymbolTable: Removed the java string argument of findEntry because it was not being used.
SymbolTable: Instead of using a hash of a java string as our hash, use bytes.hashCode().  We should try to get rid of that Java string because it does not really help us to have it.
SymbolTable: minor whitespace change
SymbolEntry: get rid of the 'name' member because it is no longer being used.
SymbolEntry: removed the name parameter because it was unused.
SymbolTable: Made findEntry easier to use by getting rid of hte hash parameter.