…of useless attributes. No SQLite

…rands

…get rid of useless attributes. No SQLite"

This reverts commit 11b5ffc.

…to decrease memory footpint

…uence of interest by worker. Now the needed RAM is really mlow

…ave mixed types. Specify dtype option on import or set low_memory=False.

…elize by pair of nucleotide). We now avoid that by forcing the max CPU to use by numpy.

…pdate_cycle().

…lifiedSites columns and tests