EMBLmyGFF3-1.2.8
Fix #42: raise an error and stop when we meet a CDS without strand. And the location is now in + strand by default
Location.py updates: code simplification + logging update
Cosmetic changes: few split long lines
Fix #41: add a warning when seqid from gff absent from fasta.
Fix #40: ZeroDivisionError (when --no_progress activated)