v1.0.4 release -- version.go updated

Author: Randall C. O'Reilly

go.mod

@@ -3,10 +3,10 @@ module github.com/emer/leabra
 go 1.13
 
 require (
-	github.com/chewxy/math32 v1.0.4
-	github.com/emer/emergent v1.0.5
-	github.com/emer/etable v1.0.4
-	github.com/goki/gi v1.0.3
-	github.com/goki/ki v1.0.0
-	github.com/goki/mat32 v1.0.1
+	github.com/chewxy/math32 v1.0.5
+	github.com/emer/emergent v1.0.6
+	github.com/emer/etable v1.0.5
+	github.com/goki/gi v1.0.6
+	github.com/goki/ki v1.0.2
+	github.com/goki/mat32 v1.0.2
 )