Column names are case insensitive

So it does not matter if we write it with upper or lower case in
queries.
[Select] Output table maintains now the column order specified in SELECT

Output table maintains now the column order specified in SELECT query.
[Utility] Check more select versions

More rigorous tests.
[SELECT] Support for Select *|Table.* added

And Appropriate tests in DataShardTester as well.
Merge branch 'shard-prototype' of github.com:primo/rso-sql into shard-prototype