SurgeScript 0.5.4

This release is fully compatible with Open Surge version 0.5.0.

Release notes:

• Performance optimizations
• Improved the built-in pseudo-random number generator
• Introduced the @Package annotation
• Trailing commas are now accepted when declaring Arrays & Dictionaries
• Added tree traversal routines: Object.findObjects() and similar others
• Added Object.__arity(), Math.signum(), Time.now
• New option flags for the parser
• Updated the documentation
• Bugfixes and general improvements