Separated iterator results by ranges
Added dc2 - another variant of data center recovery.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Added method for loading iterator results from files. Completed basic logic of dc2 script.
Changed key for storing diffs
Added --fake parameter to run without recovering.
Merge pull request #107 from shaitan/master

Fixed multi-range iteration, added dc2 script