Parser no longer has 'prog'. Now just uses 'block'.

src/assembler/parser.js

@@ -319,6 +319,7 @@ class Parser{
     };
   }
 
+  /*
   parseProg(){
     let line = this.stream.line();
     let col = this.stream.col();
@@ -329,6 +330,7 @@ class Parser{
       col: col
     };
   }
+  */
 
   parse(tokens){
     if (tokens)
@@ -336,7 +338,7 @@ class Parser{
 
     if (this.__stream !== null){
       if (this.__output === null && this.__stream.pos() === 0)
-        this.__output = this.parseProg();
+        this.__output = this.parseBlock();
       return this.__output;
     }
     return null;