Merge pull request #109 from kakserpom/refactoring

add Traits\ClassWatchdog to base classes
ClassWatchdog bugfix
Bugfix
MongoClient: moved Pending Requests storage to Connection. Patch affects performance.
Added missing properties to Clients/Mongo/Cursor
Clients/Mongo bugfix
Core/ShellCommand: bugfixes
Merge branch 'master' into refactoring