[Hackage] #376: Allow constraint on using installed package versions

[Hackage]

#376: Allow constraint on using installed package versions
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  Reporter:  duncan              |        Owner:                   
      Type:  enhancement         |       Status:  new              
  Priority:  normal              |    Milestone:  cabal-install-0.6
 Component:  cabal-install tool  |      Version:  HEAD             
  Severity:  normal              |   Resolution:                   
  Keywords:                      |   Difficulty:  normal           
Ghcversion:  6.8.3               |     Platform:                   
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Changes (by duncan):

  * milestone:  => cabal-install-0.6

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/376#comment:5>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects