Readme, License Fixes and another test added

circuits/tobin.circom

@@ -0,0 +1,20 @@
+
+
+
+template toBin(n) {
+    signal input inp;
+    signal output out[n];
+    var lc1=0;
+
+    for (var i = 0; i<n; i++) {
+        out[i] <-- (inp >> i) & 1;
+        out[i] * (out[i] -1 ) === 0;
+        lc1 += out[i] * 2**i;
+    }
+
+    lc1 === inp;
+
+}
+
+
+component toBin(3) main;