Started DELETE API.
Fixed JSONWriter closing.
Implemented doGet in RunServlet.
Updated doPut to output start and end millseconds rather than timestamp objects.
Combined two try/catch blocks in doPut.
Changed RunServlet to work with new BaseServlet.
doPut now returns inserted id.
Small refactorings to improve code design.
Start of simple rest docs for subscription servlet.
edits to subscribe doc
Updated README.md file.