general changes
- work around a bug in ntcard (fixes #43)
- bypass non-ACGTU characters in input reads (fixes #49)
long-read assembly changes
- improvements to assembly sensitivity
- fix bug in processing reads names containing
/
(fixes #45)
- standardize format of assembled transcript names (fixes #46)
- add more descriptive error messages (fixes #47)
- add warning for assembly with only short transcripts (fixes #48)