Wraps constant defines in parens.
Fixes two bugs with keyboard_string (double-letters and backspace lag)
Merge pull request #871 from sorlok/fix_keystring

Fixes two bugs with keyboard_string (double-letters and backspace lag)
Merge pull request #867 from sorlok/const_patch

Wraps constant defines in parens.
Fixes a typo
Fix memory corruption from instance_deactivate_object(), and simplify instance_deactivated_list.
Merge pull request #873 from sorlok/typo-fix

Fixes a typo
Merge pull request #874 from sorlok/instance_deact_fix

Fix memory corruption from instance_deactivate_object()
Merge upstream changes