Extract preprocessing from tokenizer

include/wassembler.hpp

@@ -9,12 +9,15 @@ class Wassembler
 private:
 	Configuration config;
 	Execute::VirtualMachine vm;
+	bool printSubstitutions;
 
 	bool LoadLinesFromFile(std::string const & filePath, std::vector<std::string> & lines) const;
 	bool LoadTokens(std::vector<std::string> const & lines, std::vector<Token::Token> & tokens) const;
 
 public:
 	void SetMemorySize(unsigned const size);
+	void EnableSubstitutionsLogging();
+
 	bool LoadFromFile(std::string const & filePath);
 
 	void Run();