Moving go code to subdir.

code/functions/fibonacci.go

@@ -0,0 +1,21 @@
+package functions
+
+import(
+	"errors"
+	"fmt"
+)
+
+func MyFibonacci(count int) (fibonaccivalue int, error error) {
+	fibonaccivalue = 1
+	error = nil
+	var prev_fibonacci int = 0
+
+	if count < 1 {
+		return -1, errors.New(fmt.Sprintf("%d is not a positive integer.",count))
+	}
+	for i := 1; i < count; i++ {
+		fibonaccivalue += prev_fibonacci
+		prev_fibonacci = fibonaccivalue - prev_fibonacci
+	}
+	return
+}