weppy 1.1 (codename Lesath)

Changes since 1.0:

• Several bugfixes
• Removed preload cache in templater to enhance extensions behavior
• Added routes_paths configuration in Auth module
• Added form widget for 'decimal' fields
• Avoid to guess 'Content-Type' response header from path extension
• Allow to use classmethods on Field class to specify types instead of
  string arguments