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Updating the minor version number since we've added 'catches'
to System.Console.Haskeline.MonadException.

The unit tests are pretty flaky with respect to timing.  Compiling Unit.hs
seems to help (rather than "runghc Unit.hs" as it was before).

Manual merge from git.haskell.org/packages/haskeline.git
Original patch by Edward Z. Yang <ezyang@mit.edu>

Manual merge from git.haskell.org/packages/haskeline.git
Original patch by Ian Lynagh <ian@well-typed.com>

Manual merge from git.haskell.org/packages/haskeline.git
Original patch by Herbert Valerio Riedel <hvr@gnu.org>

Manual merge from git.haskell.org/packages/haskeline.git
Original patch by Ian Lynagh

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>

Patch from Nathan Hüsken.

Previously we used the "script" command-line utility to capture output from
programs that expected to be run in a terminal.  
Now, we use openpty and other C function (as wrapped by the unix library) to
run them directly from Haskell.  

As a related change, we now return the individual chunks of bytes that were
output from the process that we're testing.  This lets us test its behavior
more specifically, in particular in the "file style" tests with an incomplete
byte sequence at EOF.

This fixes the build on ghc>=7.6.1, which no longer provides the
extensible-exceptions package by default.  (Haskeline's own
dependency on extensible-exceptions was removed in haskeline-0.7.0.0.)

Patch from Paolo Capriotti.

This removes the dependency on the utf8-string package (except for ghc<7.4.1).
A few minor encoding/decoding corner cases were also fixed.

A couple cases which are known to have triggered this are:
- Entering a long (>2^15) input line
- Tab-completing a folder containing many files, with completionPaging:False

Here "large" means an area of >2^15 cells, e.g., 200x200.
Original patch by fryguybob@gmail.com.