diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60c25da188..ab27d94e8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ Given that the parser produces a typed AST, any changes to the AST will technica
 Check https://github.com/andygrove/sqlparser-rs/commits/master for undocumented changes.
 
 ### Changed
+- **`Parser::parse_sql` now accepts a `&str` instead of `String` (#182)** - thanks @Dandandan!
 - Change `Ident` (previously a simple `String`) to store the parsed (unquoted) `value` of the identifier and the `quote_style` separately (#143) - thanks @apparebit!
 - Support Snowflake's `FROM (table_name)` (#155) - thanks @eyalleshem!
 
@@ -21,6 +22,8 @@ Check https://github.com/andygrove/sqlparser-rs/commits/master for undocumented
 - Support basic forms of `CREATE SCHEMA` and `DROP SCHEMA` (#173) - thanks @alex-dukhno!
 - Support `NULLS FIRST`/`LAST` in `ORDER BY` expressions (#176) - thanks @houqp!
 - Support `LISTAGG()` (#174) - thanks @maxcountryman!
+- Support the string concatentation operator `||` (#178) - thanks @Dandandan!
+- Support bitwise AND (`&`), OR (`|`), XOR (`^`) (#181) - thanks @Dandandan!
 
 ### Fixed
 - Report an error for unterminated string literals (#165)
diff --git a/src/tokenizer.rs b/src/tokenizer.rs
index 910f73911c..1f33dd5dce 100644
--- a/src/tokenizer.rs
+++ b/src/tokenizer.rs
@@ -143,7 +143,6 @@ impl Token {
     }
     pub fn make_word(word: &str, quote_style: Option<char>) -> Self {
         let word_uppercase = word.to_uppercase();
-        //TODO: validate use of a hashset (e.g. FnvHashSet) compared to using binary search 
         let is_keyword =
             quote_style == None && ALL_KEYWORDS.binary_search(&word_uppercase.as_str()).is_ok();
         Token::Word(Word {