use toStringz in ops.d
	- style tweak in jit/ops.d
	- track newlines in cdef comments
	- allow structs in structs
	- added option for unbuffered output
	- don't reuse struct/union wrappers
	- add error checking to struct/union codegen
	- check for valid type size in struct/union wrapper
	- change option name for unbuffered stdout [ci skip]
- Fixed bug wrt Object.keys and null prototype
- Added test
	- remove lib/sdl [ci skip]
Merge branch 'master' of https://github.com/maximecb/Higgs
	- ammend lib/console re: issue #88
	- change name of unbufstdout
	- remove mysterious test.tga file
Merge pull request #87 from teebrz/master

First set of new FFI functionality
fixed error in jit/ops.d
- Added add_ptr_i32 pointer arithmetic IR instruction
Merge remote-tracking branch 'max/master'
Merge branch 'master' into dev-tom
	- merge in lib/ffi tweaks
	- update TODO Tom