for next minor releases
-- add special web-driver specific FF profile setters, either as special
functions or via documentation
-- add opera config
-- improve documentation. Document errors better. Provide more
module introductions
-- provide examples
-- basic runSession usage
-- intermediate usage
-- explicit waits usage
-- firefox profile usage
-- REPL usage
for 1.0
-- overload WD commands in typeclass
-- add WDSettings, use WDSession as internal State type.
-- allow settings to automatically load drivers. add modules with driver loading
functions
-- allow setting to modify HTTP headers
miscellaneous unsorted
-- use http-conduit and attoparsec-conduit to stream JSON data. use request methods from http-types
-- use ReaderT to store WDVersion for use with implicit configurations.