working commit, adding test code for array_to_dict
working commit, fixing biom table creation for pre-2.0 biom
Switched default observationid column to taxid.
Added test code for splitting dictionaries of metadata by taxonomy
Several preliminary fixes, including fixing splitting of taxonomy metadata on semicolons
Merge pull request #3 from zaneveld/fix_biom_table_from_rap_search

Fix biom table from rap search