Add whether a parameter is "recommended"

a recommended parameter should be provided, but it is not
strictly required. For example the `size` parameter for
query results prevents huge responses, and should only be omitted
when the user knows what they are doing.
Wrong status code.
More docs.
More docs
Use im-tables@1.6.x
Fixed bad bug that prevented anonynous access
More docs
Use the minor version syntax
Stop using non-standard promise methods
Merge branch 'dev' of github.com:intermine/intermine into dev