tool fore taggin version and make sure everything is correct

dev/dist.sh

@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+# USAGE:  dev/dist.sh ttyponies
+#     or  dev/dist.sh pdfmanual
+#     or  dev/dist.sh tag VERSION [OTHER OPTIONS FOR `git tag`]
+
 
 ttyponies()
 {
@@ -47,5 +51,18 @@ pdfmanual()
 }
 
 
+tag()
+{
+    version=`./setup.py version`
+    if [ "version" = 'Ponysay '"$1"' installer' ]; then
+	git tag -a "$@" && git checkout "$1" && git push -u origin "$1"
+    else
+	echo 'Setup script reports. '"$version"
+	echo 'This is not consistent with desired tag version: '"$1"
+	echo 'Make sure the version is correct in setup.py and that all change logs are up to date'
+    fi
+}
+
+
 [ "$1" = './dist.sh' ] && cd ..
 "$@"