Update CHANGELOG.md

Author: bminixhofer

CHANGELOG.md

@@ -1,4 +1,9 @@
-# 0.5.0
+# 0.5.2
+
+- Restore `FromIterator` and `IntoIterator` impl on `Rules` (#58, thanks @drahnr!)
+- Add `Clone` derives on `Tokenizer` and `Rules` (and, accordingly, on their fields)
+
+# 0.5.1
 
 ## Breaking changes
 
@@ -37,7 +42,7 @@ rules
 // a string syntax where slashes are the separator is also supported
 rules
     .select_mut(&"confused_words/confusion_due_do".try_into()?)
-   .for_each(|rule| rule.enable());
+    .for_each(|rule| rule.enable());
 ```
 
 # 0.4.6
@@ -136,4 +141,4 @@ for s in suggestions:
 # 4 16 ['was not', 'has not been'] WAS_BEEN.1 Did you mean was not or has not been?
 ```
 
-- NLPRule is parallelized by default now. Parallelism can be turned off by setting the `NLPRULE_PARALLELISM` environment variable to false.
+- NLPRule is parallelized by default now. Parallelism can be turned off by setting the `NLPRULE_PARALLELISM` environment variable to false.