Added tests/testlib/megatest_utils.py, presently containing code for running a simple HTTP server to be used by downloadNLMSA_megatest.
Added tests/testlib/megatest_utils.py, presently containing code for running a simple HTTP server to be used by downloadNLMSA_megatest.

theoryno3/pygr,RitwikGupta/pygr,GenDataPro/pygr,cjlee112/pygr,cjlee112/pygr,cjlee112/pygr,theoryno3/pygr,theoryno3/pygr,RitwikGupta/pygr,GenDataPro/pygr,RitwikGupta/pygr,GenDataPro/pygr,cjlee112/pygr