Improve README example

README.md

@@ -32,10 +32,20 @@ import (
 )
 
 func main() {
-	roman := FromInt(4)
+	var roman string
+
+	// lowercase
+	roman = rom.FromInt(4)
 	if roman == "OOB" {
 		panic("Input integer is out of bounds (greater than 3,999,999)")
 	}
 	fmt.Println(roman == "iv") // True
+
+	// capital (slightly slower)
+	roman = rom.FromIntCapital(4)
+	if roman == "OOB" {
+		panic("Input integer is out of bounds (greater than 3,999,999)")
+	}
+	fmt.Println(roman == "IV") // True
 }
 ```

convertroman_test.go

@@ -1,7 +1,6 @@
 package convertroman
 
 import (
-	"fmt"
 	"testing"
 )
 
@@ -49,11 +48,3 @@ func BenchmarkFromInt(b *testing.B) {
 		_ = FromInt(3999)
 	}
 }
-
-func ExampleFromInt() {
-	roman := FromInt(4)
-	if roman == "OOB" {
-		panic("Input integer is out of bounds (greater than 3,999,999)")
-	}
-	fmt.Println(roman == "iv") // True
-}