Set dynamic property
Fix #273 issue about dymic property update, fix master after @phalcon
Added test for dynamic properties
Merge pull request #317 from ovr/273_issue

273 issue
Adding support to make static calls using dynamic variables
Adding unique_key optimizer
Now exceptions thrown shows the Zephir file where they were generated
Now exceptions thrown shows the Zephir file where they were generated (2)
Removing extra TSRMLS_DC from merge_append