improved performance

example.py

@@ -1,3 +1,4 @@
 from fabelous_math import is_even, is_odd
 
-print(is_even(5))
+print(is_even(5))
+print(is_odd(19))

src/fabelous_math/cpp/functions/simple_functions.cpp

@@ -2,10 +2,10 @@
 
 namespace simple_functions {
     bool is_even(long long number) {
-        return (number & 1) == 0;
+    return (number & 1) == 0;
     }
 
     bool is_odd(long long number) {
-        return (number & 1) == 1;
+        return (number & 1);
     }
 }