Merge pull request #29 from oberhamsi/master

multiple static() calls
Added support for mounting paths using the typical REST style syntax with no trailing slash.
Adapt to changed ringo/promise API and ringo/httpclient no longer providing async operation.
Update version to 0.2.0, require ringojs 0.9
honor JSGI's "header-object's keys MUST be in lower case"
Merge pull request #32 from kmfdm1/master

converted all found camel-cased header-object-keys to lower case
make params, queryParms, postParams enumberable

to ease discovery
fix java adapter of nativeobject

`get()` needs to provide all default Object functions
make session properties enumerable
Merge pull request #33 from ringo/master

Merge changes from ringo