integer cycling: expand allowed recurrences
integer cycling: finish up and fix
add extra test sequences
update comments and fix default R1
fix example
fix R1/START
update
Fixed two integer cycling bugs.
Merge pull request #2 from hjoliver/integer.add-all-recurrence-forms

Fixed two integer cycling bugs.
Merge pull request #1134 from benfitzpatrick/integer.add-all-recurrence-forms

integer cycling: more similar notation to date-time cycling
Task class not instance should hold sequences.
Merge pull request #1143 from hjoliver/todo-iso.task-class-sequences

Task class not instance should hold sequences.