v0.11.0

It's been a while since the last nodemw release.

• #125 - Added category limit (by @RobocopKlaus)
• #123 - Allow underscores and hyphens in Youtube video ID
• #121 - doEdit: do not wrap err object
• #120 - Add addFlowTopic function to bot class (by @ValentinBrclz)
• #119 - Update dependencies
• #118 - Run TravisCI tests using Node.js 7.x
• #115 - Wikia: support video uploads
• #114 - remove repeating description for getRecentChanges (by @chrisalcantara)
• #112 - Show login failure reason if given (by @Krenair)
• #110 - Travis: run under the latest Node.js v6.x