Updated readme, removed os_log and removed platform list from Package…

….swift

Package.swift

@@ -5,9 +5,6 @@ import PackageDescription
 
 let package = Package(
     name: "OTPKit",
-    platforms: [
-        .iOS(.v13)
-    ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(

README.md

@@ -4,7 +4,7 @@ A small library written in Swift which can generate time-based and counter-based
 
 ## Installation
 
-- Add `.package(url: "https://github.com:belous/OTPKit.git", from: "0.1.1")` to your `Package.swift` file's dependencies.
+- Add `.package(url: "https://github.com/belous/OTPKit.git", from: "0.1.2")` to your `Package.swift` file's dependencies.
 - Update your packages using `$ swift package update`.
 
 ## Usage

Sources/OTPKit/String+Base32.swift

@@ -7,7 +7,6 @@
 //
 
 import Foundation
-import os.log
 
 extension String {
     var base32: Data? {
@@ -86,7 +85,6 @@ private func base32decode(_ string: String, _ table: [UInt8]) -> Data? {
         let pos = string.unicodeScalars.distance(from: string.unicodeScalars.startIndex, to: index)
         // if pos points padding "=", it's valid.
         if pos != length - leastPaddingLength {
-            os_log("string contains some invalid characters.")
             return nil
         }
     }
@@ -101,7 +99,6 @@ private func base32decode(_ string: String, _ table: [UInt8]) -> Data? {
     case 5: additionalBytes = 3
     case 7: additionalBytes = 4
     default:
-        os_log("string length is invalid.")
         return nil
     }