`generateWithTime` from `rx.lite.d.ts` was renamed to `generateWithRelativeTime` and moved as common part to `rx.time-lite.ts`.
Return correct type from .listen() and .close(), expose .address() on http.Server
Return http.Server from express.listen()
Element.transform() now return a transform

added the overload for Element.transform() without arguments
Fix for #1921
Added support for svgjs.draggable
added callbacks

added callbacks methods for Element
added a test for Element.transform()

Test if svgjs.Element.transform() correctly return an svgjs.Element.Transform
defined the event type

this was not compiling because the event type was not defined
Added Rx.helpers functions.
Added overloads of `defer` and `catch`/`catchException` with handle promises.
Version bump to 2.2.18
Merge branch 'RxJS-2.2.18'
Merge pull request #1962 from Igorbek/master

RxJS: updated to version 2.2.18
Merge branch master into listen_bug
Merge pull request #1923 from jpmoodlerooms/listen_bug

express.listen() should return http.Server
Merge pull request #1926 from LiFeleSs/master

svg.js Element.transform() now return a transform
added definitions for parsimmon
added definitions for XRegExp
fixed error in README.md for url-templates
add test file