updates dematerialize so can chain correctly
Merge pull request #190 from prabirshrestha/chainDematerialize

update dematerialize so can chain correctly
Version 0.6.1
implemented OperationWhere
added where operation to Observable
Add pointer regarding unit tests as inner classes
Convert README to Markdown
Merge pull request #194 from sopel/patch-1

Add pointer regarding unit tests as inner classes
Add communications links
Merge pull request #191 from prabirshrestha/where

Where alias to filter