More interned strings
More interned strings
Use is_phalcon_class()
Persistent function cache
Merge pull request #1811 from sjinks/interned-strings

More interned strings
Merge pull request #1823 from sjinks/is_phalcon_class

Use is_phalcon_class()
Merge pull request #1825 from sjinks/persistent-fcall-cache

Persistent fcall cache