Start implementing the ASM helpers

src/main/java/com/falsepattern/lib/asm/AsmMethodNotFoundException.java

@@ -0,0 +1,7 @@
+package com.falsepattern.lib.asm;
+
+public class AsmMethodNotFoundException extends AsmTransformException {
+    public AsmMethodNotFoundException(final String method) {
+        super("can't find method " + method);
+    }
+}