Tweet event now returns times as well
Tweet method no longer requires a usernamehash parameter and instead assumes the msg.sender as the user who is tweeting
UI update to reflect contract chnages
UI update to add tweet time (WIP - needs Date.js for prettier formatting)
UI update to show member join date (WIP - needs Date.js for prettier formatting)
UI update to disallow spaces and @ from being entered as part of the username. Also check for @ and space in form validation.
DTwitter contracts fully documented
DTwitter tests update to reflect changes in contract