Fix Oracle dialect provider problems with paging, expressions, nullable ...

...ids.

Add new tests to Oracle test project.
Make TestHelper strip trailing whitespace for better comparisons.
JoinSqlBuilderTests, OrmLiteQueryTests, SqlBuilderTests, and
TypeWithByteArrayFieldTests now handle parameter string differences.
LoadReferencesJoinTests, OrmLiteQueryTests are not sensitive to ids inserted.
OrmLiteCreateTableWithIndexesTests handles Oracle name munging.