Merge branch 'master' of gitlab.tugraz.at:esp-ws20/assignment_2 into master

Makefile

 CC            := clang
 CCFLAGS       := -Wall -Wextra -Werror -pedantic -std=c17
-ASSIGNMENT    := ass2
+ASSIGNMENT    := a2
 .DEFAULT_GOAL := help
 
 .PHONY: clean bin run test help