feature: Added support for FreeBSD, NetBSD, OpenBSD and DragonFly. #57

Job	Run time
Build (5.1, windows-latest)	52s
MSYS2 Build (mingw64, x86_64, 5.4, lua, lua)	50s
Build (5.1, ubuntu-latest)	22s
MSYS2 Build (mingw64, x86_64, 5.3, lua53, lua5.3)	48s
Build (5.1, macos-latest)	17s
MSYS2 Build (mingw64, x86_64, 5.1, lua51, lua5.1)	48s
Build (5.2, windows-latest)	29s
Build (5.2, ubuntu-latest)	17s
MSYS2 Build (mingw64, x86_64, 5.1, luajit, luajit)	49s
MSYS2 Build (ucrt64, ucrt-x86_64, 5.4, lua, lua)	44s
Build (5.2, macos-latest)	13s
MSYS2 Build (ucrt64, ucrt-x86_64, 5.3, lua53, lua5.3)	44s
Build (5.3, windows-latest)	47s
MSYS2 Build (ucrt64, ucrt-x86_64, 5.1, lua51, lua5.1)	46s
Build (5.3, ubuntu-latest)	27s
Build (5.3, macos-latest)	16s
MSYS2 Build (ucrt64, ucrt-x86_64, 5.1, luajit, luajit)	46s
Build (5.4, windows-latest)	48s
MSYS2 Build (clang64, clang-x86_64, 5.4, lua, lua)	52s
Build (5.4, ubuntu-latest)	14s
MSYS2 Build (clang64, clang-x86_64, 5.3, lua53, lua5.3)	54s
Build (5.4, macos-latest)	13s
MSYS2 Build (clang64, clang-x86_64, 5.1, lua51, lua5.1)	51s
Build (luajit, windows-latest)	52s
MSYS2 Build (clang64, clang-x86_64, 5.1, luajit, luajit)	51s
Build (luajit, ubuntu-latest)	11s
Upload rockspec	0s
	16m 1s

Provide feedback