v0.10.1

• graft: New option --decoy_database to exclude sequences which have a better diamond hit to a database of decoys than the sequences in the GraftM package.
• graft: New search method diamond+hmmsearch requiring hits to be detected by both hmmsearch and diamond.
• graft: Merging reads before taxonomic placement is now default.
• Removed dependency on skbio, instead use dendropy for tree parsing.
• Many bugfixes and internal code improvements.