Merge pull request #265 from cjemagid/2.2

added version to memcache for 2.2
Merge pull request #266 from cjemagid/2.2

disabled versioned cache when requiesting for vf2
don't read from dbw just because we're doing a refresh=1
Merge pull request #267 from will123195/2.2

don't read from dbw just because we're doing a refresh=1
use mem()
Merge pull request #268 from will123195/2.2

use mem()
Update class.Model.php

revert recent changes
Merge pull request #269 from will123195/2.2

undo recent force_db changes
Merge pull request #280 from cjemagid/2.2

Added BASIC functions support to AQL , and added elapsed line numbers .
aftercommit
eol
Merge branch 'upstream/2.2'

Conflicts:
	lib/class/class.Model.php
Merge pull request #282 from will123195/2.2

afterCommit
add kint
enable kint and memoize LoadDB
remove d()
Merge pull request #285 from will123195/2.2

2.2
remove kint submodule
remove kint
add kint