add biom merge function
updated handeling of text and biom formats for input and output
script to merge biom files
type fixes
normalized results may have less rows
typo fix
fix biom output
typo fix
handle 'NA' results from R
added biom output
keys renamed
update biom parser
text fix
added support for BIOM format input/output
new biom viewer
Merge pull request #75 from teharrison/master

update of BIOM support in scripts - more support and more tools