Only rewrite URIs on stylesheets. Closes #162.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Refactoring.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Refactoring.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Constructor argument placement consistency.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Refactoring.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>