[MERGE][Bug #183559] Add a -r option to bzr switch

[Jelmer Vernooij]

Jelmer Vernooij has voted tweak.
Status is now: Semi-approved
Comment:
revspec seems more like a UI thing to me; I think switch() in this case 
should take a revision id rather than a revision specifier, so it's also 
useful for other code.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C1234144380.4068.1.camel%40sophie.daniel-watkins.co.uk%3E
Project: Bazaar