suspended tests to start week modelled as bitmap
creation and #workpattern tests passed
#duplicate passed test
all add 0 tests passed
completed add to working week tests
suspend whilst I fix bug this way
creating calendars and work patterns
all add but too many minutes for week
#add tests for resting week
#add tests for patterned weeks
removed adjustment for wday=6
renoved Hour and Day classes
remove require for hour.rb & day.rb
subtract from working week
all subtractio tests and diff in the one day
all subtraction tests and diff in the one day
added more versions to test against
removed rbx as Travis CI did not recognise it
method #diff basic tests
#diff testing mostly done