Proxy added.
CheckStyle
SuperCheckStyle
checkKey and .toString corrected
code duplication (remove directory method) corrected
validTypes is static now
getTypedAt added, code duplication corrected.
locks added
(exclude -> extract) everywhere
locks, atomicBoolean corrected
LoggingInvocationHandler corrected
tableManager and table close() corrected.
checkStyle
lock()->unlock()
checkstyle
small correction
Nastya's corrections
Everything corrected
Checkstyle
Small corrections of 5 and 6 tasks.