Fix sfframe issue

Left a debug print, and didn't fix this with the merge

Merge branch 'master' of https://github.com/neostarfall/neostarfall

Implement new default theme and default theme handling (#33)

There's no special treatment for default themes now. You just can't delete the last theme you have.

Also restored old monokai background

Fix workshop not cloning prometheus

Handle JSON cyclic references at NSF's level rather than GMod's level (#36)

Defends against an exploit which causes a memory leak from GMod's erroneous implementation.