Update CHANGELOG.md for 0.32.0 release

Author: ato

CHANGELOG.md

@@ -0,0 +1,24 @@
+# Changelog
+
+## 0.32.0
+
+### Added
+
+- HeaderValidator with WARC/1.1 standard ruleset
+- ExtractTool: can now extract sequential concurrent records (`--concurrent` option)
+- DedupeTool
+  - In-memory cache for cross-URL digest-based deduplication (`--cache-size` option)
+  - Now prints deduplication statistics (`--dry-run` and `--quiet` options)
+  - Multi-threaded deduplication (`--threads` option)
+- ValidateTool
+  - Multi-threaded validation (`--threads` option) 
+- ParsingException message is now annotated with the source filename and record offset when available
+
+### Fixed
+
+- RFC5952 canonical form is now used for IPv6 addresses in WARC-IP-Address
+- HttpParser in lenient mode now:
+  - accepts responses missing version number
+  - ignores header lines missing :
+  - ignores folded status lines
+- WarcParser: treats `alexa/dat` ARC records as not HTTP type