H2 Console: when loading the schema, incorrect JDBC calls where issued, which caused the exception "Column PRECISION not found".

Transaction store: re-use transaction ids, and they are not integer and no longer long (work in progress)

Slightly reduce the memory cost of View metadata, helps with people who have lots and lots of views, and there is no real performance gain in caching the plan SQL string

The collation can now be set in the database URL, even if there are data tables, if the collection is the same as the current collation.