issue #22: add pybedtools to setup.py
issue #22: add pybedtools to setup.py

arq5x/gemini,heuermh/gemini,heuermh/gemini,brentp/gemini,bpow/gemini,bgruening/gemini,arq5x/gemini,bgruening/gemini,xuzetan/gemini,bgruening/gemini,udp3f/gemini,bw2/gemini,heuermh/gemini,brentp/gemini,xuzetan/gemini,xuzetan/gemini,bgruening/gemini,udp3f/gemini,udp3f/gemini,xuzetan/gemini,arq5x/gemini,heuermh/gemini,bpow/gemini,bpow/gemini,udp3f/gemini,brentp/gemini,bw2/gemini,brentp/gemini,arq5x/gemini,bw2/gemini,bpow/gemini,bw2/gemini