setup.py: Don't suffix versions to cx_freeze exe name.

Closes chfoo/wpull#195
doc/terse_options.rst: Update to match description and manhole option.
contributing.md: Include info about reporting bugs

[ci skip]
http.web: Catch ValueError getting next link location.

Closes chfoo/wpull#197
changelog: Update entry with prev commit ValueError fix
url.urljoin: Handle case of non-absolute base URLs.

Closes chfoo/wpull#196
processor.web: Catch errors during fetching robots.txt

Closes chfoo/wpull#185
gitignore: Ignore Intellij and .orig files
changelog: Update latest to 0.1001.2

[ci skip]
Merge branch 'develop'
Bump version 0.1001.2