Add all the assignment code.

Signed-off-by: jmug <u.g.a.mariano@gmail.com>

hw2/bin/dune

@@ -0,0 +1,22 @@
+(library
+ (name sim)
+ (modules simulator int64_overflow)
+ (libraries x86 num))
+
+(env
+ (dev
+  (flags
+   (:standard -g -w "+a-4-7-9-26-27-29-30-32..42-44-45-48-50-60-66..70"))))
+
+(executable
+ (public_name main)
+ (name main)
+ (modules main)
+ (promote (until-clean))
+ (libraries
+  ; OCaml standard libraries  
+  ; project libraries
+  util
+  x86
+  studenttests
+  gradedtests))