Add commit, rollback, size .Without unit tests.
Fixed size.
Write some unit tests)
Throw IllegalArgumentException if there is no directory in property
System exit if no property
Fixed unknown and magic feature
Empty provider
Empty key fixed
Fixed bad characters tablename
Сказала чем быть должно.
Сказала чем быть должно.Снова.
Added some unit tests
Get out of some extra files
Merge pull request #252 from ava-katushka/master

JUnit, Вяткина Анна 297 группа, 1/2