one step to modeling nyc trains
adding trains automatically - take 1
adding trains automatically - take two
adding trains automatically - take three
take four - handled the case for 5n+1 stations in a line
take five - same problem for reverse direction
take six - tried using integer division
take seven - changed indexing error
take eight - reverse string method
Merge branch 'master' of https://github.com/bas-rustenburg/QBioSub into working
Fixed #15 and cleanup.