rename wmm to bird_swarm
sys.path.append doesn't make sense here
extracted main script code
create unittest module for vogel
added tests for locatie + removed lines from main script
Update Test_Vogel + added Test_Zwerm
add method geefvogels + test
add test geefmidden
calculate midden once per iteration
cast new coordinates to float
reduce screen size
cast to float before printing
Merge pull request #2 from bartaelterman/master

unit tests geschreven