Changes from previous version:
- --m6anet option for directly generating output for m6anet as requested by @yuukiiwa
- improved log output for skipped reads due to basecalls of split reads
- update slow5lib
- Minor Bug fixes:
- fix wrong insertion at the beginning of ss string for RNA in resquiggle (#156)
- fix rare assertion trigged for rna004 (#177 and #163)
