Update GFA reader to support GFA v1.2 paths #101

Job	Run time
🚧 Build SPAdes	1m 30s
IonTorrent E.coli K12	30m 26s
Contigs E.coli JGI lane 7	4m 1s
Mate-pairs B.faecium	2m 8s
Full run M.ruber JGI lane 9	5m 53s
Multicell B.cereus TruSeq 100x	4m 11s
metaSPAdes JGI 150	15m 30s
metaviralSPAdes ERR525599	14m 27s
Nextera L.monocytogenes	1m 4s
PacBio M.ruber	4m 9s
plasmidSPAdes C.callunae	8m 59s
Saves E.coli 100K	46s
Saves E.coli UCSD lane 1	9m 31s
Single-cell P.heparinus JGI lane 7	2m 53s
Single reads E.coli Deeptrench	1m 50s
	1h 47m 18s

Provide feedback