Simple import test implemented.
Import archive bugs fixed.
Very simple archive imports already work.
Added import archive test.
Dataset (filecommand.Name) names are extracted from filename. Table (filedatareader.name) names are generated on the fly from block number.
TableNameTemplate renamed to TableNamepattern.
Minor changes.
Fixed bug in column type detection.
Precedence value was not set when column type with higher precedence found.
Delimited files can use multiple separator characters now. When writing, the first character is used.
Added clean-up logic t archive import test.