Merge pull request #27 from snoyberg/master

Fix failing tests #25
Delete the darcs repo, no longer valid
Update the changelog
Version 4.2.21
Keep original .tar.gz when ungzipping
Merge pull request #29 from khorser/master

Keep original .tar.gz when ungzipping
Eanble some 'hoogle data' functionality for 'hoogle convert'
Merge pull request #31 from khorser/convert-improved

Eanble some 'hoogle data' functionality for 'hoogle convert'
typo of "equivalent"
Merge pull request #32 from juhp/patch-2

typo of "equivalent"
Download Hoogle data from the old Hackage server
Version 4.2.22
Merge branch 'master' of github.com:ndmitchell/hoogle
Update changelog
Version 4.2.23
Ask if a tarball exists before trying to extract its contents

When the contents of a tarball are already present in the filesystem,
hoogle will not download it again. In this case, the tarball must not be
extracted because it does not exists.
Merge pull request #35 from rul/master

Ask if a tarball exists before trying to extract its contents
Switch to using the 'neil' travis script
Merge branch 'master' of https://github.com/ndmitchell/hoogle
Delete travis.sh