ZINC15:Query operators

Query operators optionally qualify constraints in the general form of the ZINC15 URL:

http[s]://host/resource[.format[:columns][/variant][?page-view-controls | resource-constraints]

The supported query operators are as follows:

operator	Description	synonyms
@>	lala	contains
<@	lala	contained in
=	equals	eq
<	less than	lt
>	greater than	gt
<=	less than or equal	le
>=	greater than or equal	ge
between	sadfasfsd	asdfasfd
like, is, not , startswith, endswith, similar to	asdf asdf	asdfasfd sadf

also matches contains isa etc.