

v0.0.4
20190416
1. fix a bug, when provide two -outfq2 options but missing -outfq1,
  or -outfq1 and -outfq2 are the same.


v0.0.4
20190214
1. fix a bug. when ' -rl' not set, went wrong.

v0.0.3
20190214
1. add support for single end data