Started working on basic wasm encoding/serialization. Added binary_file_writing, generalized arity comparison operators, bitwise operators, parsing of hex numbers, and wasm w/ memory section deserialization

comp_wasm.kp

@@ -0,0 +1,11 @@
+(with_import "./wasm.kp"
+(let (
+    _ (println "args" *ARGV*)
+    (_ _ in out) (cond (!= (len *ARGV*) 4) (error "wrong number of params")
+                       true                *ARGV*)
+    _ (println "in" in "out" out)
+    wasm_code [
+    ]
+    _ (write_file out (wasm_to_binary wasm_code))
+    return_code 0
+) return_code ))