bump version to 0.4.0
add template for stylesheet link tag
allow stylesheets to be added dynamically via the page's get method
name space kss styles
dynamically get them stylesheets
Merge branch 'hotfix/0.4.0'

* hotfix/0.4.0:
  dynamically get them stylesheets
  name space kss styles
  allow stylesheets to be added dynamically via the page's get method
  add template for stylesheet link tag
  bump version to 0.4.0