Scott, i was trying to run it on my PC and i was trying your Demo programme whcih i down loaded from GitHub.
here is the error string i got in the simulator.
09:30:39.494 WARNING: issue found in D:\My Documents\Corona\firebaseDatabase-demo-master\firebaseDatabase-demo-master\build.settings:
09:30:39.494 WARNING: deprecated key: settings.iphone.plist.CFBundleIconFile (string)
09:30:41.724 PluginSync: plugin tech.scotth/plugin.firebaseDatabase needs to be updated for platform win32-sim to build number: 2264
09:30:41.724 PluginSync: downloading plugin: http://plugins.coronasphere.com/tech.scotth/plugin.firebaseDatabase/2014.2264/win32-sim/plugin.firebaseDatabase.zip
09:30:41.874 ERROR: Runtime error
09:30:41.874 module ‘plugin_firebaseDatabase’ not found:
09:30:41.874 no field package.preload[‘plugin_firebaseDatabase’]
09:30:41.874 no file 'C:\Users\Administrator\AppData\Roaming\Corona Labs\Corona Simulator\Plugins\plugin_firebaseDatabase.lua’
and the build settings is as follows
settings =
{
 --[[
 orientation = {
  default = “portrait”,
  supported = { “portrait”, },
  – supported = { “landscapeLeft”, “landscapeRight” },
  – supported = { “landscapeLeft”, “landscapeRight”, “portrait”, “portraitUpsideDown”, },
 },
 --]]
 iphone =
 {
  plist =
  {
   – UIApplicationExitsOnSuspend = true, – default is false
   CFBundleIconFile = “Icon.png”,
   CFBundleIconFiles =
   {
    “Icon.png”,
    “Icon@2x.png”,
    “Icon-60.png”,
    “Icon-60@2x.png”,
    “Icon-60@3x.png”,
    “Icon-72.png”,
    “Icon-72@2x.png”,
    “Icon-76.png”,
    “Icon-76@2x.png”,
    “Icon-Small.png”,
    “Icon-Small@2x.png”,
    “Icon-Small@3x.png”,
    “Icon-Small-40.png”,
    “Icon-Small-40@2x.png”,
    “Icon-Small-50.png”,
    “Icon-Small-50@2x.png”,
   },
  },
 },
 plugins =
 {
  [“plugin.firebaseDatabase”] =
        {
            publisherId = “tech.scotth”,
        },
 },
 android =
    {
        useGoogleServicesJson = true,
    },
}