Merge pull request #149 from zapcannon87/IM

Release v16.0.0-beta.1

Author: zapcannon87

LeanCloud.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'LeanCloud'
-  s.version      = '15.0.0'
+  s.version      = '16.0.0-beta.1'
   s.license      = { :type => 'Apache License, Version 2.0', :file => 'LICENSE' }
   s.summary      = 'LeanCloud Swift SDK'
   s.homepage     = 'https://leancloud.cn/'
@@ -35,4 +35,13 @@ Pod::Spec.new do |s|
     ss.source_files = 'Sources/Storage/**/*.swift'
     ss.resources = 'Sources/Storage/**/*.{xcdatamodeld}'
   end
+
+  s.subspec 'IM' do |ss|
+    ss.dependency 'SwiftProtobuf', '~> 1.3.0'
+
+    ss.dependency 'LeanCloud/Storage'
+
+    ss.source_files = 'Sources/IM/**/*.swift'
+    ss.resources = 'Sources/IM/**/*.{xcdatamodeld}'
+  end
 end

Sources/Storage/DataType/Object.swift

@@ -519,9 +519,9 @@ open class LCObject: NSObject, LCValue, LCValueExtension, Sequence {
      Increase a number by amount.
 
      - parameter key:    The key of number which you want to increase.
-     - parameter amount: The amount to increase.
+     - parameter amount: The amount to increase. If no amount is specified, 1 is used by default. 
      */
-    open func increase(_ key: String, by: LCNumberConvertible) throws {
+    open func increase(_ key: String, by: LCNumberConvertible = 1) throws {
         try addOperation(.increment, key, by.lcNumber)
     }
 

Sources/Storage/LeanCloud.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-public let version = "15.0.0"
+public let version = "16.0.0-beta.1"
 
 /// `version` is a common word, so use `lc_version` to wrap it to avoid conflict.
 var lc_version: String {