Error with ** path matching and path: in From clause

[technosophos]

Using:

    registry.Route("GET /hello/**", "Print Hello Web").
        Does(web.Flush, "out").
        Using("content").From("query:msg path:2 path:1")

Curl:

$ curl localhost:8080/hello/world
An internal error occurred.

Error:

error2014/06/13 16:21:19 CookooHandler trapped a panic on route 'GET /hello/**' in command 'out': runtime error: index out of range
error2014/06/13 16:21:19 Stack: goroutine 8 [running]:
github.com/Masterminds/cookoo/web.func·001()
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/web/server.go:162 +0x39a
runtime.panic(0x234100, 0x527c57)
    /usr/local/Cellar/go/1.2/libexec/src/pkg/runtime/panic.c:248 +0x106
github.com/Masterminds/cookoo/web.(*PathDatasource).Value(0xc210048d60, 0x2bd6df, 0x1, 0x628740, 0xc210048d60)
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/web/datasources.go:111 +0xae
github.com/Masterminds/cookoo.(*Router).defaultFromSources(0xc2100484a0, 0xc210048da0, 0x3, 0x3, 0x6272e0, ...)
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/router.go:248 +0x284
github.com/Masterminds/cookoo.(*Router).resolveParams(0xc2100484a0, 0xc210037e10, 0x6272e0, 0xc2100a71b0, 0xc)
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/router.go:217 +0x11f
github.com/Masterminds/cookoo.(*Router).doCommand(0xc2100484a0, 0xc210037e10, 0x6272e0, 0xc2100a71b0, 0xc21000ae20, ...)
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/router.go:206 +0x4a
github.com/Masterminds/cookoo.(*Router).runRoute(0xc2100484a0, 0x2956d0, 0xd, 0x6272e0, 0xc2100a71b0, ...)
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/router.go:165 +0x40b
github.com/Masterminds/cookoo.(*Router).HandleRequest(0xc2100484a0, 0xc210048d80, 0x10, 0x6272e0, 0xc2100a71b0, ...)
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/router.go:132 +0x256
github.com/Masterminds/cookoo/web.(*CookooHandler).ServeHTTP(0xc210048520, 0x628630, 0xc2100a1140, 0xc21009e5b0)
    /Users/mbutcher/Code/Cookoo-Web-Tutorial/.godeps/src/github.com/Masterminds/cookoo/web/server.go:185 +0x35b
net/http.(*ServeMux).ServeHTTP(0xc2100375d0, 0x628630, 0xc2100a1140, 0xc21009e5b0)
    /usr/local/Cellar/go/1.2/libexec/src/pkg/net/http/server.go:1496 +0x163
net/http.serverHandler.ServeHTTP(0xc21001e9b0, 0x628630, 0xc2100a1140, 0xc21009e5b0)
    /usr/local/Cellar/go/1.2/libexec/src/pkg/net/http/server.go:1597 +0x16e
net/http.(*conn).serve(0xc210057780)
    /usr/local/Cellar/go/1.2/libexec/src/pkg/net/http/server.go:1167 +0x7b7
created by net/http.(*Server).Serve
    /usr/local/Cellar/go/1.2/libexec/src/pkg/net/http/server.go:1644 +0x28b