First commit after reafctoring: added commit and rollback without changing size of tables
Realization of DataBaseLibrary without testing
Added list, put and get tests, fixed small bugs
Added remove and size tests
Added create and drop tests for TableProvider, fixed bugs and some refactoring done
Ready version for pull request
Fixed small bugs
TemporaryFolder added
Merge pull request #308 from akhtyamovpavel/databaselibrary

Ахтямов Павел, 399, JUnit