Adds test_coverage_basics shell
Adds initial integration test coverage for CM/PL.
Adds getting data performance test.
Adds coverage for SimplexCoverage create and load tests.
Updates coverage close() handling to match dispatcher updates.
Adds multi-brick creation test.
Adds configuration files for running code coverage

Adds .coveragerc and setup.py files to enable the --with-coverage flag of bin/nosetests to function properly

Outputs coverage results to both the terminal and the html_coverage_results/ directory
Adds test to retrieve data using a variety of slices.
Removes unnecessary close() statements.  Adds testing coverage.

Adds test_close_coverage_before_done_using_it().
Adds test coverage for slices that lie outside the total domain.

Also adds test coverage for more slice occurrences.
Updates InMemoryPersistence signature
Adds unit tests for numexpr_utils module

Adds complete UNIT testing for numexpr_utils module.

Addresses a couple minor bugs with functions in numexpr_utils
Adds UNIT tests for coverage_model.utils module

Provides UNIT testing (99% coverage) for utils module
Adds test coverage for Parameters.
Adds utils.is_guid; updates UNIT tests
Adds test coverage for loading of the SimplexCoverage and ParameterContext.

Cleans up comments, import statement for coverage_model, and unused code.
Adds documentation to functions.  Updates assertRaises for some SimplexCoverage calls.
Adds test coverage for retrieving data after a load.
Adds CategoryType and CategoryValue

Adds support for CategoryType parameter type - allows for 'enumeration' style values (i.e. code-list) where key-values are stored for each value and a dictionary provides lookup between the key-value and the meaning
Documentation updates across all classes and functions.