Integrated SearchIO.BlatIO into id_ranker()
Integrated SearchIO.BlatIO into id_ranker()

Added a check to id_ranker for the type of record given to it.
Added a function based on the UCSC percent identity algorithm as
programmed by BioPython to get the percent identity of an entire hit
as opposed to on a per-HSP basis.
Added functions to filter BLAT hits based on number of HSPs,
query length coverage, percent identity, and scores.

Signed-off-by: docmanny <b49a5780a99ea81284fc0746a78f84a30e4d5c73@vazquez.bio>

docmanny/RecBlast,docmanny/RecBlast