Fix #72: Add hide(completion=nil) method. Make parameters required in other two hide() methods
Fix #72: Add hide(completion=nil) method. Make parameters required in other two hide() methods

PGLongo/PKHUD,pkluz/PKHUD,happy-co/PKHUD,PGLongo/PKHUD,pkluz/PKHUD,happy-co/PKHUD