Changed 'raw' alias to 'RawEvents'. Fixes keyword collision with Oracle.

Fixes #31.

src/main/resources/resources/cohortdefinition/sql/generateCohort.sql

@@ -6,13 +6,13 @@ INSERT INTO @targetTable (cohort_definition_id, subject_id, cohort_start_date, c
 select @cohortDefinitionId as cohort_definition_id, person_id as subject_id, start_date as cohort_start_date, end_date as cohort_end_date
 FROM 
 (
-  select Raw.*, row_number() over (partition by Raw.person_id order by Raw.start_date @EventSort) as ordinal
+  select RawEvents.*, row_number() over (partition by RawEvents.person_id order by RawEvents.start_date @EventSort) as ordinal
   FROM
   (
     select person_id, start_date, end_date
     FROM #PrimaryCriteriaEvents
     @additionalCriteriaQuery
-  ) Raw
+  ) RawEvents
 ) Results
 @ResultLimitFilter
 ;