Use correct column for gap days.

Fixes #231.

Race and Ethinicity CS criteria should use the correct columns.

Bump version to 1.12.2
Fixes #227

Remove negative value check from RangeCheck.

Fixes #220.

Change ConceptSetSelection to support looking for null and not null v…

…alues.

Fixes #218.

Fix path case in ConceptSetDBTest. (#208)

Fixes #207.

Added dateAdjust to print friendly and other corrections.

Fixes #165.
Fixes #186.
Fixes #198.

Update to version 1.11.2.

Run UPDATE STATISTICS on codeset table. (#197)

Fixes #192.

Implement date offsets for Criteria queries. (#183)

Fixes #167, #168.

Update to version 1.10.1.

Remove all CTEs from generateCohortSql.

Fixes #172.