datafile support added
split settings in different files
restructured modules
some bugfixes and changes (json mode) in the browser
removed datafile from being at the first level of the cache hierarchy
implemented fake values for empty odML properties
changed stdout to apropriate logging
post_load bugfix in cache backend
changed logging conf to a file not JSON for compatibility with old python versions
short README written
fixed response contant processing for compartibility with older versions of requests package
minor README changes
empty terminologies of not loaded
pull by object added
Merge branch 'caching' of github.com:G-Node/python-gnode-client into caching
changes in the overview inline with last modifications
overview refactoring
moved clear cache method to the cache class
renamed get to pull in cache
overview extended. testing of push needed