Merge tag '1.5.0' into develop

Release 1.5.0
Building out schedule
Updates for schedules
Update version number and build
Fleshing out accessor
Updates for accessor
Updates
Tidy-ups
Updates to schedule
Sorting weeks of year
Fixes for week of year
Working on week-based schedule
Fixes for week of year
Added comments
Reworking accessor
Fixes for day of month and day of year schedules
Tidy-ups prior to working on week-based schedules
Working on day of week schedules
Tidied up day of week schedules
Simplify Schedule by removing Schedule.ALL in the actual class (stil used in builder)