Added Time object for handling all times
Merge pull request #29 from buren/Task3.5

Task3.5
merged with master, fixed tests
Merge branch 'master' of github.com:buren/enduro into time_refactor
Merge pull request #30 from buren/time_refactor

Time refactor
Merge branch 'master' of github.com:buren/enduro into Task3.5