Testing issue 1527
phalcon_dump_current_frame() to debug memory frames
zim_Phalcon_Cache_Backend_Memory_get() should update _lastKey
Test case for #1607
Fix #1607
Merge pull request #1600 from WooDzu/1.3.0-issue-1527

[BUG] Test case for issue #1527
Merge pull request #1611 from sjinks/issue-1607

Fix segmentation fault in zim_Phalcon_Mvc_View_Simple_render()