bump version to 5.3.0

BigInt.podspec

@@ -1,7 +1,7 @@
 
 Pod::Spec.new do |spec|
     spec.name         = 'BigInt'
-    spec.version      = '5.2.1'
+    spec.version      = '5.3.0'
     spec.ios.deployment_target = "8.0"
     spec.osx.deployment_target = "10.9"
     spec.tvos.deployment_target = "9.0"

CHANGELOG.md

@@ -1,3 +1,11 @@
+# 5.3.0 (2021-09-06)
+
+This release contains the following changes:
+
+- Make access level for isZero the same for signed and unsigned types (#93)
+
+- NFC: Add protocol conformance to Comparable for BigInt for consistency (#88)
+
 # 5.2.1 (2020-11-15)
 
 This release contains the following changes:

README.md

@@ -106,7 +106,7 @@ The last version with support for Swift 2 was BigInt 1.3.0.)
 | 3.x           | 2.1.0              |
 | 4.0           | 3.1.0              |
 | 4.2           | 4.0.0              |
-| 5.x           | 5.2.1              |
+| 5.x           | 5.3.0              |
 
 BigInt deploys to macOS 10.10, iOS 9, watchOS 2 and tvOS 9.
 It has been tested on the latest OS releases only---however, as the module uses very few platform-provided APIs,
@@ -122,19 +122,19 @@ Setup instructions:
   Add this to the dependency section of your `Package.swift` manifest:
 
     ```Swift
-    .package(url: "https://github.com/attaswift/BigInt.git", from: "5.2.1")
+    .package(url: "https://github.com/attaswift/BigInt.git", from: "5.3.0")
     ```
 
 - **CocoaPods:** Put this in your `Podfile`:
 
     ```Ruby
-    pod 'BigInt', '~> 5.2'
+    pod 'BigInt', '~> 5.3'
     ```
 
 - **Carthage:** Put this in your `Cartfile`:
 
     ```
-    github "attaswift/BigInt" ~> 5.2
+    github "attaswift/BigInt" ~> 5.3
     ```
 
 ## <a name="notes">Implementation notes</a>

version.xcconfig

@@ -1,6 +1,6 @@
 // Increment the build number whenever you modify the version string.
-VERSION_STRING = 5.2.1
-BUILD_NUMBER = 17
+VERSION_STRING = 5.3.0
+BUILD_NUMBER = 18
 
 PROJECT_NAME = BigInt
 BUNDLE_IDENTIFIER_BASE = org.attaswift.$(PROJECT_NAME)