Add breadcrumb trails
Bump version to 2.2.0.rc1
Disable testing Ruby 1.8.7
Add note about changing trail param
Remove "custom"
Use JSON instead of YAML for trails
Bump version to 2.2.0.rc2
Fix comment
Move to Ruby 1.9 style hash syntax
Remove Gretel::Crumbs.layout support
Separate renderer into its own class
Bump version to 3.0.0.beta1
Update version in readme
Add changelog about rendering
Rename :show_root_alone to :display_single_fragment
Simpler setting last url to fullpath
Test that current link is set to fullpath
Fix ifs
Cache when no breadcrumb set
Test breadcrumb not found