Merge pull request #9 from bnordbo/master

Better error message when failing to create the syslog socket
Updating Makefile to be more inline with common processes
Removing options in favour of optparse-applicative
Converting options code to optparse-applicative
Constraining process dependency to the latest version
Shortening metavar
Merge pull request #11 from brendanhay/feature/optparse

Switch to optparse-applicative
Supporting ranged port allocation
Ensuring only valid ports are allocated
Formatting
Allocating local vs remote ports, to ensure unprefixed env keys are available in scope
Removing unused extension
Merge branch 'feature/allocate' into develop
Bumping version to 0.3.0
Merge branch 'release/0.3.0' into develop
Adding cabal.config constraints
Switching to conduit and text
Collapsing dependency type into flat list of procs
Updating logic regarding check/wait before stepping through to next proctype start
Freezing dependencies