arm chokes on tabs when used in ExitPolicy lines

voidzero reports that tabs in the ExitPolicy lines causes a variety of gremlins when determining the exit policy. This includes display issues when parsing the torrc and a crashing issue in the connection panel:

1. Traceback (most recent call last):
2. File "init/starter.py", line 178, in
3. interface.controller.startTorMonitor(expandedEvents, param["startup.blindModeEnabled"])
4. File "/home/void/user/arm/interface/controller.py", line 1287, in startTorMonitor
5. curses.wrapper(drawTorMonitor, loggedEvents, isBlindMode)
6. File "/usr/lib/python2.6/curses/wrapper.py", line 44, in wrapper
7. return func(stdscr, *args, **kwds)
8. File "/home/void/user/arm/interface/controller.py", line 377, in drawTorMonitor
9. panels["conn"] = connPanel.ConnPanel(stdscr, conn, isBlindMode)
10. File "/home/void/user/arm/interface/connPanel.py", line 170, in init
11. self.reset()
12. File "/home/void/user/arm/interface/connPanel.py", line 336, in reset
13. if SCRUB_PRIVATE_DATA and fIp not in self.fingerprintMappings.keys(): isPrivate = isExitAllowed(fIp, fPort, self.exitPolicy, self.exitRejectPrivate)
14. File "/home/void/user/arm/interface/connPanel.py", line 893, in isExitAllowed
15. maxPort = int(entryPort[entryPort.find("-") + 1:])
16. ValueError: invalid literal for int() with base 10: '22"'