Because of how we are storing the min-max-flag in the read/write method the no. of dimensions must be <= 31.

Issue 548: TO_CHAR does not format MM and DD correctly when the month or day of the month is 1 digit, patch from "the.tucc"

An archive tool that uses compression and de-duplication (compresses better than 7zip / pkzip for large directories in many cases)

An archive tool that uses compression and de-duplication (is faster and compresses better than 7zip / pkzip for large directories if there are many duplicates)

MVStore: support two compression levels; measure read and written bytes; ascending iteration over entry set