Update Sauerbraten to a fresh revision 5000. Apparently fixes the build. Probably fixes #995.
Allow specifying allowUnfreePredicate instead of allowUnfree. The predicate will have access to the arguments of mkDerivation call. Should be an improvement for #2188
pyrtlsdr: new package

pyrtlsdr is a python wrapper for librtlsdr (a driver for Realtek
RTL2832U based SDR's).
Merge pull request #2936 from sol/master

Add haskell-hspec-wai
libmodbus: new package

libmodbus is a library to send/receive data according to the Modbus
protocol.

http://libmodbus.org/
liboping: new package

liboping is a C library to generate ICMP echo requests, better known as
"ping packets". It is intended for use in network monitoring
applications or applications that would otherwise need to fork ping(1)
frequently.

http://verplant.org/liboping/
Update haskell-hspec2 to version 0.3.4