Patch 3.1.2

What's Changed

• Dev 3.1.2 - Add codegen for simple calls with 4 and 5 parameters (gets around an LTS runner bug) by @Harlem512 in #138
• Dev 3.1.2 - Added catspeak_get_self and catspeak_get_index by @tabularelf in #140
• Dev 3.1.2 - Further patch for built-in functions with optional args by @katsaii in #142

New Contributors

• @Harlem512 made their first contribution in #138

Full Changelog: 3.1.1...3.1.2