Add default templates for HTTP 504 & 505
Add UUIDConverter to default converters

Defines a `UUIDConverter` class for matching uuids in URLs and
converting them into python `uuid.UUID` objects.
Fix session creation in systems without os.urandom
Merge branch '0.9-maintenance'
Add support for detecting ChromeOS as a platform
Merge branch 'pr/385'
Added a changelog entry
Fix issue where url key's were not being encoded properly if they contained a plus.

Signed-off-by: Armin Ronacher <armin.ronacher@active-4.com>
Added a changelog entry for url encoding fix
Merge branch '0.9-maintenance'
Merge branch 'pr/448'
Added changelog entry for pr/448
Fixed deepcopy problem of MultiDict. (#435)

Signed-off-by: Armin Ronacher <armin.ronacher@active-4.com>
Changed deepcopy method to support deepcopy of OrderedMultiDict
Added testcase of deepcopy

Signed-off-by: Armin Ronacher <armin.ronacher@active-4.com>
moved import to top

Signed-off-by: Armin Ronacher <armin.ronacher@active-4.com>
Added a changelog entry for pr/438
Fixed a double quoting issue (#432)
Fixed some linter errors in routing
Merge branch '0.9-maintenance'
Fixed up the UUID converter