Added New Non-Overlapping BillingSystem Test
Standardise makeCall method
Refactor DaytimePeakPeriod class to have peak start and end time
Merge pull request #7 from rmbennett/NewBillingSystemTest

Added New Non-Overlapping BillingSystem Test
Disable depcrecation warnings
Remove redundant test
Initial implementation of parameterised tests
Merge pull request #9 from rmbennett/refactor-tests

Refactor Tests Efforts
Added some non-overlapping test values
Merge pull request #11 from rmbennett/test-values

Added some non-overlapping test values
Merge branch 'master' into NewRegulationsBillingSystem

Conflicts:
	src/com/acmetelecom/DaytimePeakPeriod.java
	tests/com/acmetelecom/BillingSystemTest.java