divides HSJ room to A & B

fixes upper-case userid problem, and rejection procedure

fix ordering of datetime sequence in user login

change date format because of html-side changes

add captured date and time to excel file

fix bug in from time picking

beta release

change date to time period

alpha test version ...

need fix at
1) in excel send data , it contains a garbage byte in tail.
it is because using print() for sending, change it to stdout.write()
2) in excel data, if there are no staff in the room, StaffTable is not
correctly constructed. there must some care for no staff case.

add exel download facility

integrate test code

test facility

add tucchy algorithm for time crossing test

first release