Raise InputError when input parameter is wrong
Separate roles of Airflow sensor and operator in CORD Event handling
Update all workflow examples to reflect the sensor/operator design change

Change-Id: I3a00698c7744e67708f3bacc9cd4023ac4fbc02a

Report task status to controller

Change-Id: I3cc5be25421bcd12bd298b363a5131ef33d0f174
diff --git a/requirements.txt b/requirements.txt
index f35ec37..1b0f05e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@
 multistructlog~=2.1.0
 requests~=2.22.0
 pyfiglet~=0.7
-cord-workflow-controller-client~=0.1.0
+cord-workflow-controller-client~=0.2.0