Merge pull request #29 from ne555/master

Makefile that works. Thank you ne555. 
Note: The order in which SFML libraries are linked matters.
Merge remote-tracking branch 'upstream/master' into lowest-one
Update makefile

Should be json.c, not json.a.
adjusted for my computer
Merge @Lowest0ne's changed makefile
I did not include the rename of @ne555's makefile (it should be the official makefile)
Update json-parser
Merge branch 'lowest-one' into lb-refactor