Add example for biom.table.Table filter method
Fix doctest code by adding interpreter responses

Used the ```#random``` tag... let's see if that works.  Just the same, I think
this funciton isn't behaving properly...
Add variable to receive output of inplace filter
Merge branch 'master' of https://github.com/biocore/biom-format into table_filter_example
Add interpreter responses using new repr method
Merge branch 'master' of https://github.com/biocore/biom-format into table_filter_example
Fix doctest after merge of #402
Merge branch 'master' of https://github.com/biocore/biom-format into table_filter_example
Fix backticks around Trues and Falses
Merge pull request #394 from adamrp/table_filter_example

Add example for biom.table.Table filter method