Format code with black. Add makefile to run fmt/tests

Makefile

@@ -1,12 +1,39 @@
-default: install
+# This is used with `make <option>` and is used for running various
+# administration operations on the code.
 
 BLACK_FORMAT_CONFIGS = --target-version py37 --line-length 100
+TEST_GAME_DIR = .test_game_dir
+TESTS?=evennia
+
+default:
+	@echo " Usage: "
+	@echo "  make install - install evennia (recommended to activate virtualenv first)"
+	@echo "  make fmt/format - run the black autoformatter on the source code"
+	@echo "  make lint - run black in --check mode"
+	@echo "  make test - run evennia test suite with all default values."
+	@echo "  make tests=evennia.path test - run only specific test or tests."
+	@echo "  make testp - run test suite using multiple cores."
 
 install:
-	python setup.py develop
+	pip install -e .
 
-fmt:
+format:
 	black $(BLACK_FORMAT_CONFIGS) evennia
 
+fmt: format
+
 lint:
 	black --check $(BLACK_FORMAT_CONFIGS) evennia
+
+test:
+	evennia --init $(TEST_GAME_DIR);\
+	cd $(TEST_GAME_DIR);\
+	evennia migrate;\
+	evennia test --keepdb $(TESTS);\
+
+testp:
+	evennia --init $(TEST_GAME_DIR);\
+	cd $(TEST_GAME_DIR);\
+	evennia migrate;\
+	evennia test --keepdb --parallel 4 $(tests);\
+