minor documentation updates

Sources/Convenience/Progress+Convenience.swift

@@ -1,5 +1,5 @@
 //
-//  NSProgress+Convenience.swift
+//  Progress+Convenience.swift
 //  CoreStore
 //
 //  Copyright © 2015 John Rommel Estropia
@@ -26,12 +26,12 @@
 import Foundation
 
 
-// MARK: - NSProgress
+// MARK: - Progress
 
 public extension Progress {
     
     /**
-     Sets a closure that the `NSProgress` calls whenever its `fractionCompleted` changes. You can use this instead of setting up KVO.
+     Sets a closure that the `Progress` calls whenever its `fractionCompleted` changes. You can use this instead of setting up KVO.
      
      - parameter closure: the closure to execute on progress change
      */

Sources/Migrating/CoreStore+Migration.swift

@@ -88,7 +88,7 @@ public extension CoreStore {
      ```
      - parameter storeType: the local storage type
      - parameter completion: the closure to be executed on the main queue when the process completes, either due to success or failure. The closure's `SetupResult` argument indicates the result. Note that the `LocalStorage` associated to the `SetupResult.success` may not always be the same instance as the parameter argument if a previous `LocalStorage` was already added at the same URL and with the same configuration.
-     - returns: an `NSProgress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
+     - returns: a `Progress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
      */
     public static func addStorage<T: LocalStorage>(_ storeType: T.Type, completion: @escaping (SetupResult<T>) -> Void) -> Progress? where T: DefaultInitializableStore {
         
@@ -110,7 +110,7 @@ public extension CoreStore {
      ```
      - parameter storage: the local storage
      - parameter completion: the closure to be executed on the main queue when the process completes, either due to success or failure. The closure's `SetupResult` argument indicates the result. Note that the `LocalStorage` associated to the `SetupResult.success` may not always be the same instance as the parameter argument if a previous `LocalStorage` was already added at the same URL and with the same configuration.
-     - returns: an `NSProgress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
+     - returns: a `Progress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
      */
     public static func addStorage<T: LocalStorage>(_ storage: T, completion: @escaping (SetupResult<T>) -> Void) -> Progress? {
         
@@ -155,7 +155,7 @@ public extension CoreStore {
      - parameter storage: the local storage
      - parameter completion: the closure to be executed on the main queue when the migration completes, either due to success or failure. The closure's `MigrationResult` argument indicates the result. This closure is NOT executed if an error is thrown, but will be executed with a `.failure` result if an error occurs asynchronously.
      - throws: a `CoreStoreError` value indicating the failure
-     - returns: an `NSProgress` instance if a migration has started, or `nil` is no migrations are required
+     - returns: a `Progress` instance if a migration has started, or `nil` is no migrations are required
      */
     public static func upgradeStorageIfNeeded<T: LocalStorage>(_ storage: T, completion: @escaping (MigrationResult) -> Void) throws -> Progress? {
         

Sources/Migrating/DataStack+Migration.swift

@@ -124,7 +124,7 @@ public extension DataStack {
      ```
      - parameter storeType: the local storage type
      - parameter completion: the closure to be executed on the main queue when the process completes, either due to success or failure. The closure's `SetupResult` argument indicates the result. Note that the `LocalStorage` associated to the `SetupResult.success` may not always be the same instance as the parameter argument if a previous `LocalStorage` was already added at the same URL and with the same configuration.
-     - returns: an `NSProgress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
+     - returns: a `Progress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
      */
     public func addStorage<T: LocalStorage>(_ storeType: T.Type, completion: @escaping (SetupResult<T>) -> Void) -> Progress? where T: DefaultInitializableStore {
         
@@ -146,7 +146,7 @@ public extension DataStack {
      ```
      - parameter storage: the local storage
      - parameter completion: the closure to be executed on the main queue when the process completes, either due to success or failure. The closure's `SetupResult` argument indicates the result. Note that the `LocalStorage` associated to the `SetupResult.success` may not always be the same instance as the parameter argument if a previous `LocalStorage` was already added at the same URL and with the same configuration.
-     - returns: an `NSProgress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
+     - returns: a `Progress` instance if a migration has started, or `nil` if either no migrations are required or if a failure occured.
      */
     public func addStorage<T: LocalStorage>(_ storage: T, completion: @escaping (SetupResult<T>) -> Void) -> Progress? {
         
@@ -429,7 +429,7 @@ public extension DataStack {
      - parameter storage: the local storage
      - parameter completion: the closure to be executed on the main queue when the migration completes, either due to success or failure. The closure's `MigrationResult` argument indicates the result.
      - throws: a `CoreStoreError` value indicating the failure
-     - returns: an `NSProgress` instance if a migration has started, or `nil` is no migrations are required
+     - returns: a `Progress` instance if a migration has started, or `nil` is no migrations are required
      */
     public func upgradeStorageIfNeeded<T: LocalStorage>(_ storage: T, completion: @escaping (MigrationResult) -> Void) throws -> Progress? {
         

Sources/ObjectiveC/Progress+ObjectiveC.swift

@@ -1,5 +1,5 @@
 //
-//  NSProgress+ObjectiveC.swift
+//  Progress+ObjectiveC.swift
 //  CoreStore
 //
 //  Copyright © 2016 John Rommel Estropia
@@ -26,7 +26,7 @@
 import Foundation
 
 
-// MARK: - NSProgress
+// MARK: - Progress
 
 public extension Progress {