Fix percent-encoding of submission data

BVSDK.podspec

@@ -9,7 +9,7 @@
 
 Pod::Spec.new do |s|
   s.name = "BVSDK"
-  s.version = '3.1.0'
+  s.version = '3.1.1'
   s.homepage = 'https://developer.bazaarvoice.com'
   s.license = { :type => 'Commercial', :text => 'See https://developer.bazaarvoice.com/API_Terms_of_Use' }
   s.author = { 'Bazaarvoice' => '[email protected]' }

Pod/BVCommon/BVCore.h

@@ -16,11 +16,11 @@
 /**
  *  Provides the master version of the SDK.
  */
-#define BV_SDK_VERSION @"3.1.0"
+#define BV_SDK_VERSION @"3.1.1"
 
 // Conversation SDK Version
 #define SDK_HEADER_NAME @"X-UA-BV-SDK"
-#define SDK_HEADER_VALUE @"IOS_SDK_V310"
+#define SDK_HEADER_VALUE @"IOS_SDK_V311"
 
 /**
  *  Error domain for NSError results, when present.

Pod/BVConversations/BVNetwork.m

@@ -82,12 +82,13 @@ - (void)addNthUrlParameterWithName:(NSString *)name value:(NSString *)value {
 }
 
 static NSString *urlEncode(id object) {
-    
+
     NSString *string = [NSString stringWithFormat: @"%@", object];
 
-    NSMutableCharacterSet *chars = NSCharacterSet.URLQueryAllowedCharacterSet.mutableCopy;
-    [chars removeCharactersInRange:NSMakeRange('&', 1)]; // %26
+    NSMutableCharacterSet *chars = [[NSCharacterSet URLQueryAllowedCharacterSet] mutableCopy];
+    [chars removeCharactersInString:@"+&"];
     return [string stringByAddingPercentEncodingWithAllowedCharacters:chars];
+
 }
 
 -(NSString*) getParamsString {