[Application]modify config array format
[cache]rename class member vars, edit docs
[cache]optimize code,edit docs
[session]finish adapter,edit docs
[session]finish adapter,edit docs
[session]@todo redis adapter
[event]add framework application events
[database]finish adapter,edit docs
[core]add file not found exception
[core]optimize code
[core]add event tags
[core]modify profiler
[core]finish logger component
[core]optimize code
[application]modify config file
update read me