began work on API development
TODO: fix the slow and unflexible argument validation system
fully implemented string_cut, updated the C API, stdlib and test framework
additional string_cut tests
implemented string_reverse, added tests for both string functions
string_pad, string_repeat
string_count, string_trim, _pad update, test framework stats update, ++stdlib
string_cut - cutting until end
type checking interface and tests for it
is_* strict - error checks, added is_numeric with tests
tiny bit of refactoring, added is_callable
some refactoring, is_switch, is_printable
fixed some var_convert bugs, added type_get & type_cast + other minor changes
enabled handling of extra commas in array definitions + tests
added string_part
added string_find
structural refactoring with all tests still working. will clean up later.
moved math stuff to a separate library
some rather serious refactoring
added **unfinished** string_find_rev
fixed a horrible vm_compare bug