Fix Person.__repr__()

Change .lstrip("acct:") to .replace("acct:", "")

str.lstrip("acct:") strips all combinations of "acct:" from str
For example "acct:tactic@identi.ca".lstrip("acct:") returns
"ic@identi.ca"
Merge pull request #47 from kabniel/fixpersonrepr

Fix repr(Person) using replace not lstrip
replace lstrip with split

"https://pumpity.net".lstrip("https://") would return "umpity.net"
Merge pull request #48 from kabniel/note_lstrip

models.Note.serialize - replace lstrip with split
Add ability to use major and minor inboxes
Fix fetching likes for a note