Merge branch 'hotfix/1.2.2'
Bumped version for hotfix release.
Skip holidays and breaks appropriately for lesson with 'every other week' frequency. Closes #188
Merge branch 'hotfix/1.2.3'
Merged branch 1.3.0 for release onto master.
Bug Fix: get coordinators with teachers
Bumped version for hotfix 1.3.1
Bug Fix: get coordinators with teachers
Mergerd hotfix 1.3.1 back onto develop.
Added field area code in export to xls method. Closes #236