Version 0.9.1

• conversion to Lua 4;
• better handling of different kinds of type information (e.g. now can access Microsoft Internet Explorer© object);
• now handles more gracefully exceptions and errors;
• added support for optional parameters with default values;
• LuaCOM does not initializes COM libraries anymore; this is left to the user;
• more stringent behavior about the syntax of method calls and property access (methods with ``:'' and properties with ``.'').