All the changes...

Asks for user to input mobile number at start of program.
Create Group: creates a group, user supplies name and creator’s number,
program creates timestamp, location, and id. Adds to groups domain.
Join Group: features search by name (location and time not working at
present), returns matching groups, or all if nothing inputed. Can click
on a group, will show group attributes. Click join button will enter
the user’s contact in the contacts and members domain.
My Groups: shows all groups that the user belongs to. Clicking on a
group will show group’s info.
Next Steps: implement view contacts button from my group info page and
get all contacts for a particular group.