Add true streaming #97

Job	Run time
windows (lua53, lua5.3, 5.3, /mingw64/include/lua5.3/)	2m 47s
windows (lua53, lua5.3, 5.3, /mingw64/include/lua5.3/)	2m 47s
unix (5.1, ubuntu-latest)	1m 11s
unix (5.1, ubuntu-latest)	1m 11s
windows (lua, lua, 5.4, /mingw64/include/)	2m 48s
windows (lua, lua, 5.4, /mingw64/include/)	2m 48s
unix (5.1, macos-latest)	2m 4s
unix (5.1, macos-latest)	2m 4s
windows (luajit, luajit, 5.1, /mingw64/include/luajit-2.1/)	2m 41s
windows (luajit, luajit, 5.1, /mingw64/include/luajit-2.1/)	2m 41s
unix (5.2, ubuntu-latest)	1m 12s
unix (5.2, ubuntu-latest)	1m 12s
unix (5.2, macos-latest)	3m 29s
unix (5.2, macos-latest)	3m 29s
unix (5.3, ubuntu-latest)	57s
unix (5.3, ubuntu-latest)	57s
unix (5.3, macos-latest)	2m 14s
unix (5.3, macos-latest)	2m 14s
unix (5.4, ubuntu-latest)	3m 14s
unix (5.4, ubuntu-latest)	3m 14s
unix (5.4, macos-latest)	3m 13s
unix (5.4, macos-latest)	1m 49s
unix (luajit-openresty, ubuntu-latest)	48s
unix (luajit-openresty, ubuntu-latest)	48s
unix (luajit-openresty, macos-latest)	1m 51s
unix (luajit-openresty, macos-latest)	1m 51s
	55m 34s

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