default blastn
redirect stderr when running blastn
handle missing loci
removed unused test data
set new_st flag after matching sequences
added unit test for absent locus
added test data file for absent locus
Merge pull request #21 from CraigPorter/absent_locus

Absent locus
Merge branch 'master' of github.com:sanger-pathogens/mlst_check
Update documentation to use PodWeaver
Merge pull request #22 from andrewjpage/master

Update documentation to work better with CPAN
fix tests
Merge pull request #23 from andrewjpage/master

tests
filter underscores in header name
Merge pull request #24 from andrewjpage/master

filter underscores in header name
ignore cdiff mlst_clade
Merge pull request #25 from andrewjpage/master

ignore mlst clade for cdiff