Some work on Expression and Operand.

Operand.cpp

@@ -0,0 +1,36 @@
+#include "Operand.h"
+
+namespace jet {
+
+   Operand::Operand(coreutils::ZString &in) {
+
+      if(in.ifNext("true")) {
+	 boolean = true;
+	 return;
+      }
+      if(in.ifNext("false")) {
+	 boolean = false;
+	 return;
+      }
+      
+
+ /*     
+      if(in.ifNext("+")) {
+      }
+      if(in.ifNext("-")) {
+      }
+      if(in.getTokenInclude("0123456789")) {
+      }
+      if(in.ifNext(".")) {
+      }
+      if(in.getTokenInclude("0123456789")) {
+      }	 
+
+      if(in.ifNext("\"")) {
+      }
+    */  
+	 
+
+   }
+   
+}