Try to find best way to quote fields and table name
in order to make the best usage of H2 and PostGre, adapt character case to db
If the field contain double quote then escape the double quote
Correctly quote table identifier on table export
Merge pull request #215 from nicolas-f/fix/quoteIdentifier

Try to find best way to quote fields and table name.

In order to make the best usage of H2 and PostGre, adapt character case to db.