Changing the get_daterange utility in reports to end on tomorrow instead of today, so that reports include the current day's data.  Also added a decent doc string and cleaned up the code.
Changing the get_daterange utility in reports to end on tomorrow instead
of today, so that reports include the current day's data.  Also added
a decent doc string and cleaned up the code.

qedsoftware/commcare-hq,SEL-Columbia/commcare-hq,dimagi/commcare-hq,SEL-Columbia/commcare-hq,qedsoftware/commcare-hq,puttarajubr/commcare-hq,dimagi/commcare-hq,qedsoftware/commcare-hq,gmimano/commcaretest,qedsoftware/commcare-hq,SEL-Columbia/commcare-hq,dimagi/commcare-hq,puttarajubr/commcare-hq,dimagi/commcare-hq,puttarajubr/commcare-hq,gmimano/commcaretest,dimagi/commcare-hq,puttarajubr/commcare-hq,gmimano/commcaretest,qedsoftware/commcare-hq