Adding CHANGELOG. updating versioning scheme

Author: Jeff Aigner

CHANGELOG.md

@@ -0,0 +1,26 @@
+
+Version 1.0.2.1
+===============
+ *   Fixing version numbering scheme
+ *   Added CHANGELOG.md 
+
+
+Version 1.0.2.0
+===============
+ *   Added code profiling
+ *   Removed extraneous code 
+ *   Added parser/eval recovers 
+ *   Added command line flags 
+
+
+Version 1.0.1.0
+===============
+ *   Added REPL
+ *   Added lambda functions 
+ *   Updating buitlins to be variable length 
+
+  
+Version 1.0.0.0
+===============
+ *   Initial release to public, eval and basic tests working
+

README.md

@@ -1,5 +1,5 @@
 # golisp
-LISP interpreter written in Go
+LISP interpreter written in Go. See CHANGELOG.md for recent changes.
 
 It currently supports a subset of LISP, but important features already work:
 

lisp.go

@@ -10,6 +10,10 @@ import (
 	"time"
 )
 
+const (
+	VERSION = "golisp v1.0.2.1"
+)
+
 func removeEmpty(tokens []string) []string {
 	var result []string
 	for _, c := range tokens {
@@ -224,7 +228,7 @@ func main() {
 	flag.Parse()
 
 	if *show_version {
-		fmt.Println("golisp v0.1")
+		fmt.Println(VERSION)
 		os.Exit(0)
 	}