[haskeline] #131: Loosen upper bounds to allow `transformers-0.4.*`

[haskeline]

#131: Loosen upper bounds to allow `transformers-0.4.*`
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Reporter:  guest        |       Owner:     
    Type:  enhancement  |      Status:  new
Priority:  minor        |   Milestone:     
 Version:               |    Keywords:     
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Ticket URL: <http://trac.haskell.org/haskeline/ticket/131>
haskeline <http://example.org/>
My example project