Add new methods modelName, serverVersion, vocabSize

Change-Id: I79f6e4169e4ac5e8d4eec115306ccd812eaaa909
diff --git a/man/modelName.Rd b/man/modelName.Rd
new file mode 100644
index 0000000..760be81
--- /dev/null
+++ b/man/modelName.Rd
@@ -0,0 +1,14 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/derekovecs.R
+\name{modelName}
+\alias{modelName}
+\title{Get model name}
+\usage{
+modelName()
+}
+\value{
+The name of the model.
+}
+\description{
+Get model name
+}