fix bug #41

[faryar76]

based on #41 when cache is on true

$database->where('email','like','gmail')->select('email')->results();

in first time will be Right "return array" but on reload from cache will "return object"

for fix a private method replaced with some part of run methods code

please recheck this

;)

[timothymarois]

@faryar76 This looks good and since its a bug fix I'll patch this tonight. Thanks!