Based on Terminal lib from Simon Ford, some adds

Fork of TerminalPlus by Max Scordamaglia

Revision:
14:3da6173413b7
Parent:
13:09eb30497e78
--- a/Terminal.h	Fri Nov 06 22:30:56 2015 +0000
+++ b/Terminal.h	Sun Dec 27 23:15:31 2015 +0000
@@ -74,8 +74,11 @@
 
     /** Erase line */
     void eraseline();
+    
+    /** Erase square */
+    void erasesquare(int x1, int y1, int x2, int y2);
 
-// font attrib
+    // font attrib
     //** Reset attrib */
     void resetattrib();
     //** font bold */