Documentation Updates and Minor Refactoring

- Updated README and Release Notes
- Updated PayPal Constant to reflect latest release

lib/PayPal/Common/PayPalModel.php

@@ -14,6 +14,24 @@ class PayPalModel
 
     private $_propMap = array();
 
+    /**
+     * OAuth Credentials to use for this call
+     *
+     * @var \PayPal\Auth\OAuthTokenCredential $credential
+     */
+    protected static $credential;
+
+    /**
+     * Sets Credential
+     *
+     * @deprecated Pass ApiContext to create/get methods instead
+     * @param \PayPal\Auth\OAuthTokenCredential $credential
+     */
+    public static function setCredential($credential)
+    {
+        self::$credential = $credential;
+    }
+
     /**
      * Default Constructor
      *

lib/PayPal/Common/PayPalResourceModel.php

@@ -17,24 +17,6 @@ use PayPal\Transport\PayPalRestCall;
 class PayPalResourceModel extends PayPalModel implements IResource
 {
 
-    /**
-     * OAuth Credentials to use for this call
-     *
-     * @var \PayPal\Auth\OAuthTokenCredential $credential
-     */
-    protected static $credential;
-
-    /**
-     * Sets Credential
-     *
-     * @deprecated Pass ApiContext to create/get methods instead
-     * @param \PayPal\Auth\OAuthTokenCredential $credential
-     */
-    public static function setCredential($credential)
-    {
-        self::$credential = $credential;
-    }
-
     /**
      * Sets Links
      *

lib/PayPal/Core/PayPalConstants.php

@@ -12,7 +12,7 @@ class PayPalConstants
 {
 
     const SDK_NAME = 'PayPal-PHP-SDK';
-    const SDK_VERSION = '1.0.0-beta';
+    const SDK_VERSION = '1.0.0';
 
     /**
      * Approval URL for Payment