Fixed checkInterfaceImplements
Merge pull request #470 from karakurihiden/interface

Fixed checkInterfaceImplements
Support for final class with implements
Merge branch 'master' of https://github.com/phalcon/zephir
Allow use underscore as identifier
Adding globals_set optimizer
Fixing tokenizer
Showing debug information on notices by array/append
MethodCache was disabled for method called on 'this' reference
Calling methods on non-objects may cause segfaults
Try to force the global function cache
Variables are not correctly reinitialized when they're defined with a default value
Adding debug information to zephir_is_iterable macros
Introducing for-value-use detector, zephir_array_update_multi is not separating values, using uchar to store string offsets
Try to update valgrind packages
Improvements to zephir_array_update_multi
Fixes to zephir_array_update_multi
Fixes to zephir_array_update_multi
Fix zephir_array_update_multi
Fix zephir_array_update_multi