Fixes Test/Task Point Issues
- Test add question button wasn't working
- Tests were resetting the post's stage status
- Tasks with a status of 0 could be refreshed an infinite amount of times (and received points each time)
- Task rows were being duplicated in the "go" db table when encountering and completing tests on encounter caused by passing a status of 0(int) or null to the go_add_post() function
Merge branch 'hotfix/task_test_special_char_fix' into dev-forest

Conflicts:
	go_pnc.php
	types/tasks/task_shortcode.php