Allow one mismatch in primer/adapter search.

[JasperBoom]

Rewrite the search algorithm to allow for one mismatch in the primer or adapter.

Possible libraries:

• BioPython
• Regex

[JasperBoom]

https://stackoverflow.com/questions/2420412/search-for-string-allowing-for-one-mismatch-in-any-location-of-the-string

[JasperBoom]

https://github.com/jamesturk/jellyfish