added instructions on how to deal with a missing header error when installing proj.
added shell script for deploying data for the CT
added example instructions for installing fiona from source
renamed test_env
multiple improvements to printing of env, OcgOperations, and RequestDataset.
reset env.ops to None in finally clause of interpreter
remove print and accidental breakpoint
used ocgis_lh for exception
changed test directory location and added assertNumpyAll.
used ocgis_lh for exception handling
shifted aggregated check to calculated method and out of aggregate_spatial
added string representation to projection
changed maxconsecutive to duration. test_calc working.
before adding year expansion for data subset.
doc changes