Programs are now loaded with a function and not a member var

examples/echo.go

@@ -9,7 +9,8 @@ func main () {
 	// this is a simple echo program. it will take in input indefinetly and
 	// repeat it. due to line buffering in the terminal however, it will
 	// only print output once you have pressed enter.
-	machine := cre.Machine[int] { Program: []int {
+	machine := cre.Machine[int] {}
+	machine.LoadProgram([]int {
 		cre.PUSH, 0,
 		cre.CAL,
 
@@ -19,7 +20,7 @@ func main () {
 		cre.PUSH, 1,
 		cre.PUSH, 0,
 		cre.JMP,
-	}}
+	})
 
 	machine.Register (0, read)
 	machine.Register (1, write)

examples/psychiatrist.go

@@ -20,7 +20,8 @@ func main () {
 	responseStart     := 71
 	responseLoopStart := 50
 	
-	machine := cre.Machine[int] { Program: []int {
+	machine := cre.Machine[int] {}
+	machine.LoadProgram([]int {
 		// reset x
 		cre.PUSH, introStart,
 		cre.PUSH, x,
@@ -108,7 +109,7 @@ func main () {
 		cre.PUSH, 1,
 		cre.PUSH, responseLoopStart,
 		cre.JMP,
-	}}
+	})
 
 	stringData := []byte (
 		"\x00" +