Formatting updates.
Added query-ability of a field in attributes existing.  If a query param has no value, the mongo query will simply require that the field exists.
Made it possible to search node attributes for numeric values as well as string values.
Merge pull request #148 from teharrison/master

add column number to column index filename
Merge pull request #150 from jaredbischof/master

Multiple updates.
Merge pull request #149 from teharrison/master

python lib and doc update
Added delete function for index, fixed bug in column index creation, and simply returning okay if an existing index is "PUT" to a node instead of regenerating the index.
Merge pull request #151 from jaredbischof/master

Added delete function for index, fixed bug in column index creation, and...
Merge branch 'master' of github.com:teharrison/Shock
Merge branch 'master' of github.com:teharrison/Shock
go fmt changed my stuff