Minor cleanup (#81)

* Add clean command to Makefile
* Fix date in CHANGE.txt
* Add packaging to build_require

Author: labkey-alan

CHANGE.txt

@@ -5,7 +5,7 @@ LabKey Python Client API News
 What's New in the LabKey 3.4.0 package
 ==============================
 
-*Release date: TBD*
+*Release date: 04/22/2025*
 - Add "valueExpression" to PropertyDescriptor class
     - needed for creating/adding domain calculated fields
     - update Domain class to append calculatedFields to the domain's fields

Makefile

@@ -17,3 +17,8 @@ install:
 .PHONY: uninstall
 uninstall:
 	pip uninstall -y labkey
+
+.PHONY: clean
+clean:
+	rm -rf ./dist/
+	rm -rf ./labkey.egg-info

setup.py

@@ -34,7 +34,7 @@
 
 tests_require = ["pytest", "requests", "mock", "pytest-cov"]
 dev_require = ["pytest", "requests", "mock", "pytest-cov", "black"]
-build_require = ["setuptools", "build", "twine", "wheel"]
+build_require = ["setuptools", "build", "twine", "wheel", "packaging"]
 
 setup(
     name="labkey",