Update 1.0.3

• update dependence
  • Microsoft.AspNet.Identity.Core 2.2.1 <- 2.0.1
• some bug (or NotImplementation) fix.
  • v1.0.3 #10 Thank you @namcigar
  • v1.0.2 #9 Thank you @Arpeggie
• for VS2017 & IISExpress
• some Refactoring.
  • change SampleWeb's namespace
  • and so.