20170626-beta5:
- Update test cases.
- Fix Issue #222: hide password in console.
- Fix Issue #223: fix db result error.
- Fix Issue #224 and #226: new big image mode for single page manga.
- Fix Issue #228: Update urls to https.
- Fix Issue #230: set defaultencoding to utf-8.
- Fix Issue #232: UnboundLocalError local variable 'list_page' referenced before assignment.
- Fix Issue #233: update dump hmtml page handler.
- Fix Issue #236: update parser for artist profile and dump html page if not found.