Update version number to 0.3.1

CHANGELOG

@@ -1,3 +1,6 @@
+0.3.1
+- replace deprecated Bit with new enum.
+
 0.3
 - Swift 2.2 support
 - use generators for cipher block modes should reduce memory overload.

CryptoSwift.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "CryptoSwift"
-  s.version      = "0.3"
+  s.version      = "0.3.1"
   s.summary      = "Cryptography in Swift. SHA, MD5, CRC, Poly1305, HMAC, ChaCha20, Rabbit, AES."
   s.description  = "Cryptography functions and helpers for Swift implemented in Swift. SHA, MD5, CRC, Poly1305, HMAC, ChaCha20, Rabbit, AES."
   s.homepage     = "https://github.com/krzyzanowskim/CryptoSwift"

Sources/CryptoSwift/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.3</string>
+	<string>0.3.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>