[BUGFIX] Added class to ext_autoload

Related: #43
[FEATURE] Allow to clear all caches except page caches
Merge pull request #44 from christophlehmann/christophlehmann

[BUGFIX] Added class to ext_autoload
Merge pull request #45 from georgringer/master

[FEATURE] Allow to clear all caches except page caches
[BUGFIX] Fix wrong method name
Merge pull request #48 from georgringer/master

[BUGFIX] Fix wrong method name
[FEATURE] Added command to remove deleted records from database