add unit tests for various utility functions,

add integration test for LDAPClient,
add aiutomatic openldap configuration for testing through make,
add make targets for tests
improve make targets for build/clean,
update README with build and test instructions

Makefile

@@ -1,9 +1,23 @@
-build: clean
-	CGO_ENABLED=0 go build -ldflags="-s -w" -o dist/ .
+.PHONY: build test clean dev-init
 
-test: clean
-	go run .
+build: clean
+	@echo "======================== Building Binary ======================="
+	CGO_ENABLED=0 go build -ldflags="-s -w" -v -o dist/ .
+
+tests: dev-reinit
+	@echo "======================== Running Tests ========================="
+	go test -v -cover -coverpkg=./app/ -coverprofile coverage ./test/
+	@echo "======================= Coverage Report ========================"
+	go tool cover -func=coverage
+	@rm -f coverage
 
 clean:
+	@echo "======================== Cleaning Project ======================"
 	go clean
-	rm -f dist/*
+	rm -f dist/*
+
+dev-init:
+	@cd scripts; make dev-init
+
+dev-reinit:
+	@cd scripts; make dev-reinit