0.6.3

• This version updates a lot of the requirements to their latest versions. This might be an issue if you've written lots of code against older pyramid versions. (#418, #413, #412, #411, #410, #408, #407, #404, #403)
• Remove authentication from the demo version since Persona does not work anymore. (#361)
• Fixed the base HTML template and added a DOCTYPE declaration. (#429)
• Update the URI's for licenses of the Flemish Government. (#430)
• Fixed an issues with sorting on Python 3. (#424)