Check isatty
Merge pull request #15 from nslater/check-isatty

Check isatty before calling readline
Use the better title command code, and make redirects work in saxo.request
Fix broken title command, and make it use previous channel links
Allow unicode searches by character, and fix wikipedia command
Made the search command return results more often
Merge pull request #1 from sbp/master

Update from sbp:master