M177 Data Integrity

Calculated hash of data on data writes.  Store hash values separate from hashed data. Provided coverage interface to validate data.
M117/Issue #163 Downsampling or Striding Data

Implemented interface that down samples data based on a stride step.  Default is no striding.
M117 / ooici coverage-model Issue #162 - Open Interval Support
Open intervals are now supported.  Key error issue has been corrected.

M117 / ooici coverage-model Issue #165 - Coverage Model Version
Coverage Model version bumped to 0.0.3
Makes test to show data type time limits
Test showing issue with category types