Lexer

- Renamed ::split to ::word_split, for clarity and because of the need for a
  full token split, coming next.

src/Alias.cpp

@@ -92,7 +92,7 @@ void Alias::resolve (Tree* tree)
         something = true;
 
         std::vector <std::string> words;
-        Lexer::split (words, context.aliases[raw]);
+        Lexer::word_split (words, context.aliases[raw]);
 
         std::vector <std::string>::iterator word;
         for (word = words.begin (); word != words.end (); ++word)