Prepare for release 3.7.0-beta.3

Author: fathyb

Diff for: Analytics.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "Analytics"
-  s.version          = "3.7.0-beta.2"
+  s.version          = "3.7.0-beta.3"
   s.summary          = "The hassle-free way to add analytics to your iOS app."
 
   s.description      = <<-DESC

Diff for: Analytics/Classes/SEGAnalytics.m

@@ -416,7 +416,7 @@ + (void)debug:(BOOL)showDebugLogs
 
 + (NSString *)version
 {
-    return @"3.7.0-beta.2";
+    return @"3.7.0-beta.3";
 }
 
 #pragma mark - Helpers

Diff for: CHANGELOG.md

@@ -1,6 +1,11 @@
 Change Log
 ==========
 
+Version 3.7.0-beta.3 *(10th January, 2018)*
+--------------------------------------------
+ * [Fix](https://github.com/segmentio/analytics-ios/pull/799): Allow setting anonymousId
+ * [Fix](https://github.com/segmentio/analytics-ios/pull/800): Remove stray log
+
 Version 3.6.10 *(19th November, 2018)*
 --------------------------------------------
  * [Fix](https://github.com/segmentio/analytics-ios/pull/798): Add deep links redaction