Merge pull request #57 from jaredbeck/update_changelog_for_3.0.0

Clarify that the changes in 3.0.0 are non-breaking

CHANGELOG.md

@@ -1,12 +1,15 @@
 3.0.0
 -----
 
-Changes:
+Breaking Changes:
+
+* None
+
+Added:
 
 * Updated of core scrypt ext code: https://github.com/pbhogan/scrypt/pull/53
 * Support for platforms other than x86 such as ARM
 
-
 2.1.1
 -----
 
@@ -15,17 +18,13 @@ Changes:
 * Uses more secure defaults: Increased max_mem from 1MB to 16MB, and salt_len from 8 to 32 bytes.
 * See discussion at https://github.com/pbhogan/scrypt/issues/25
 
-
-
 2.0.1
 -----
 
 Changes:
 * Adds a `:cost` option for specifying a cost string (e.g. `'400$8$19$'`) from the `calibrate` method
   (https://github.com/pbhogan/scrypt/commit/95ce6e3e37f4b2e8681a544713bfe783d2d69466)
 
-
-
 2.0.0
 -----