Client: better error messages for register operation.

src/client.cr

@@ -101,28 +101,28 @@ class Actions
 		res = authd.register login, password.not_nil!, email, profile: profile
 		case res
 		when Response::UserAdded
-			Baguette::Log.info "User registered, mail sent"
+			Baguette::Log.info "user registered, mail sent"
 			exit 0
 		when Response::ErrorRegistrationsClosed
-			Baguette::Log.error "ErrorRegistrationsClosed"
+			Baguette::Log.error "registrations are closed (only admins can add users)"
 			exit 1
 		when Response::ErrorAlreadyUsedLogin
-			Baguette::Log.error "ErrorAlreadyUsedLogin"
+			Baguette::Log.error "login already used"
 			exit 1
 		when Response::ErrorMailRequired
-			Baguette::Log.error "ErrorMailRequired"
+			Baguette::Log.error "an email address is required"
 			exit 1
 		when Response::ErrorInvalidEmailFormat
-			Baguette::Log.error "ErrorInvalidEmailFormat"
+			Baguette::Log.error "provided email address has an invalid format"
 			exit 1
 		when Response::ErrorCannotContactUser
-			Baguette::Log.error "ErrorCannotContactUser"
+			Baguette::Log.error "an error occured while contacting the user with this email address"
 			exit 1
 		when Response::ErrorInvalidLoginFormat
-			Baguette::Log.warning "Invalid login!"
+			Baguette::Log.error "invalid login"
 			exit 1
 		when Response::ErrorPasswordTooShort
-			Baguette::Log.warning "Password too short!"
+			Baguette::Log.error "password too short"
 			exit 1
 		end
 	rescue e