Merge branch 'aa/careful-handles' into develop

Add eq, show for SendPipe

cabal: loosen bytestring bounds

readme: Support reflex-vty 0.3

Merge remote-tracking branch 'origin/aa/reflex-vty-0.2' into release/…

…0.3.1.1

Update changelog

Version 0.3.0.0

Merge pull request #5 from reflex-frp/aa-check-readable

createProcess: Ensure handle is open before checking if it can be read

v0.2.0.0 Parameterized process inputs and outputs