Install cabal into /usr/bin and show server log
Create cabal link without version name
Update to dynamic-cabal 0.2 and show failure log
Better log output
Install a matching version of the Cabal library
forkUnixS: Ignore exceptions when binding

If an exception occurs when binding the socket, it's probably because
we've hit a race condition. There is no problem with ignoring it in this
case, it only means that someone else already started the server for us,
so we can exit.
Remove unnecessary dependency on the Cabal library
Show more debugging information
Fix unused-variable warning
Export PATH before doing any cabal operations
Fix doctests
Fix HLint warnings and support older bytestring
Fix for GHC 7.4
Require new version of dynamic-cabal
Fix cabal warnings
Fix .travis.yml
Fix compile error on GHC 7.4
Print logging messages to stderr
GHC 7.4 compat
More build failure fixes