Added support for multiple Spine.Route instances
Refactor Spine.Stack to use discrete router instances
Fixed a scoping bug.
Merge pull request #513 from spine/router-refactor

Attempt #2: Support multiple Spine.Route instances
Failing test for #527
Fixes #527
Added a failing test
Don't call record methods on themselves in `Model::load()`.
Merge pull request #529 from spine/model-refresh-bug

Fix for #527
clean up some jasmine spy declarations
Add 5 specs for the new ajax configuration options
Added configuration options for AJAX method from @kuon. Closes #523
update changelog
minor updates to readme file
Fixed a bug where record instances become out of sync.
Saved a couple lines and updated the unit test
Revert "Added configuration options for AJAX method from @kuon. Closes #523"

This reverts commit 44d3b60967e1781cd184132954c3c209a607c865.
Added configuration options for AJAX method
Re-build ajax.js from source
Fixes #528