Update collection views inits and docs.

Author: ivanvorobei

Example Apps/SPDiffable.xcodeproj/project.xcworkspace/xcuserdata/ivanvorobei.xcuserdatad/UserInterfaceState.xcuserstate

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name = 'SPDiffable'
-  s.version = '1.3.1'
+  s.version = '1.3.2'
   s.summary = 'Extenshion of Diffable API which allow not duplicate code and use less models.'
   s.homepage = 'https://github.com/ivanvorobei/SPDiffable'
   s.source = { :git => 'https://github.com/ivanvorobei/SPDiffable.git', :tag => s.version }

SPDiffable.podspec

@@ -40,14 +40,17 @@ open class SPDiffableCollectionController: UICollectionViewController {
      If need custom logic, you can manually init and apply data when you need.
 
      - warning: Changes applied not animatable.
-     - parameter providers: Cell Providers with valid order for processing.
+     - parameter cellProviders: Cell providers with valid order for processing.
+     - parameter supplementaryViewProviders: Supplementary view providers with valid order for processing.
+     - parameter headerAsFirstCell: Flag for use header as cell or supplementary.
      - parameter sections: Content as array of `SPDiffableSection`.
      */
     open func setCellProviders(
         _ cellProviders: [SPDiffableCollectionCellProvider],
         supplementaryViewProviders: [SPDiffableCollectionSupplementaryViewProvider] = [],
-        sections: [SPDiffableSection])
-    {
+        headerAsFirstCell: Bool = true,
+        sections: [SPDiffableSection]
+    ) {
         diffableDataSource = SPDiffableCollectionDataSource(
             collectionView: collectionView,
             cellProviders: cellProviders,

Sources/SPDiffable/Collection/SPDiffableCollectionController.swift

@@ -56,14 +56,17 @@ open class SPDiffableCollectionView: UICollectionView, UICollectionViewDelegate
      If need custom logic, you can manually init and apply data when you need.
 
      - warning: Changes applied not animatable.
-     - parameter providers: Cell Providers with valid order for processing.
+     - parameter cellProviders: Cell providers with valid order for processing.
+     - parameter supplementaryViewProviders: Supplementary view providers with valid order for processing.
+     - parameter headerAsFirstCell: Flag for use header as cell or supplementary.
      - parameter sections: Content as array of `SPDiffableSection`.
      */
     open func setCellProviders(
         _ cellProviders: [SPDiffableCollectionCellProvider],
         supplementaryViewProviders: [SPDiffableCollectionSupplementaryViewProvider] = [],
-        sections: [SPDiffableSection])
-    {
+        headerAsFirstCell: Bool = true,
+        sections: [SPDiffableSection]
+    ) {
         diffableDataSource = SPDiffableCollectionDataSource(
             collectionView: self,
             cellProviders: cellProviders,