Exclude Python bytecode and pytest cache from Maven build

pom.xml

@@ -53,6 +53,8 @@
 				<filtering>false</filtering>
 				<excludes>
 					<exclude>**/__init__.py</exclude>
+					<exclude>**/*.pyc</exclude>
+					<exclude>**/__pycache__/</exclude>
 				</excludes>
 			</resource>
 		</resources>