compare only specific schema

[grandegoiania]

It would be great to add the functionality to compare only a specific schema.

[Zsolt Ero]

Also, it'd be great to exclude specific schemas from comparison. Best would be support for something like

exclude-schema = tmp*

[banek13]

would be very usefull to have such feature

[Euler Taveira]

Commit 7214841 added options to filter by schemas.