test for old cascading format with a reference to cascade field name
make use of a prefix to name field questions appropriately
update fixtures to reflect changes in cascading select code:old format
bump version to 0.9.9.1
implicitly convert other variable type e.g int to string
ensure we are only dealing with string objects
test for default time
take care of time incase where only time is provided
implicit converstion to string
Merge pull request #67 from modilabs/cascade-reference

Cascade field name reference should point to an actual itemset