Make .param file syntax more flexible about types.
Include the TInstance for the parameter along with the SQL type so client knows more reliably what is wanted.
Also start the type with that requested by the client.
Turn off for now, since needs a consistent way to make a wide type.
Update test expected to format parameter types a little differently.
merge MMcM: Track TInstance in plan parameters

Merge pull request #1128 from MMcM/sql-layer/sql-param-types3
https://github.com/FoundationDB/sql-layer/pull/1128