Begin updates to README. Also, introduce a version attribute in the config file …

…and use that, as well as the environment, to name resources.  Also use this name for the zip file and eliminate zipfile_name from config.

@@ -42,8 +42,11 @@ Kappa is a command line tool.  The basic command format is:
 
 
 Where ``command`` is one of:
 Where ``command`` is one of:
 
 
-* create - creates the IAM policy (if necessary), the IAM role, and zips and
-  uploads the Lambda function code to the Lambda service
+* deploy - does whatever is required to deploy the current version of your
+  Lambda function such as creating/updating policies and roles and creating or
+  updating the function itself
+* delete - delete the Lambda function, remove any event sources, delete the IAM
+  policy and role
 * invoke - make a synchronous call to your Lambda function, passing test data
 * invoke - make a synchronous call to your Lambda function, passing test data
   and display the resulting log data
   and display the resulting log data
 * invoke_async - make an asynchronous call to your Lambda function passing test
 * invoke_async - make an asynchronous call to your Lambda function passing test
@@ -53,9 +56,6 @@ Where ``command`` is one of:
 * tail - display the most recent log events for the function (remember that it
 * tail - display the most recent log events for the function (remember that it
   can take several minutes before log events are available from CloudWatch)
   can take several minutes before log events are available from CloudWatch)
 * add_event_sources - hook up an event source to your Lambda function
 * add_event_sources - hook up an event source to your Lambda function
-* delete - delete the Lambda function, remove any event sources, delete the IAM
-  policy and role
-* update_code - Upload new code for your Lambda function
 * update_event_sources - Update the event sources based on the information in
 * update_event_sources - Update the event sources based on the information in
   your kappa config file
   your kappa config file
 * status - display summary information about functions, stacks, and event
 * status - display summary information about functions, stacks, and event
@@ -76,9 +76,9 @@ The basic workflow is:
 * Create any custom IAM policy you need to execute your Lambda function
 * Create any custom IAM policy you need to execute your Lambda function
 * Create some sample data
 * Create some sample data
 * Create the YAML config file with all of the information
 * Create the YAML config file with all of the information
-* Run ``kappa <path-to-config> create`` to create roles and upload function
-* Run ``kappa <path-to-config> invoke`` to invoke the function with test data
-* Run ``kappa <path-to-config> update_code`` to upload new code for your Lambda
+* Run ``kappa <path-to-config> deploy`` to create roles and upload function
+* Run ``kappa <path-to-config> test`` to invoke the function with test data
+* Run ``kappa <path-to-config> deploy`` to upload new code for your Lambda
   function
   function
 * Run ``kappa <path-to-config> add_event_sources`` to hook your function up to the event source
 * Run ``kappa <path-to-config> add_event_sources`` to hook your function up to the event source
 * Run ``kappa <path-to-config> tail`` to see more output
 * Run ``kappa <path-to-config> tail`` to see more output

@@ -66,7 +66,17 @@ class Context(object):
 
 
     @property
     @property
     def name(self):
     def name(self):
-        return self.config.get('name', None)
+        return '{}-{}-v{}'.format(self.base_name,
+                                 self.environment,
+                                 self.version)
+
+    @property
+    def base_name(self):
+        return self.config.get('base_name')
+
+    @property
+    def version(self):
+        return self.config.get('version')
 
 
     @property
     @property
     def profile(self):
     def profile(self):
@@ -78,11 +88,11 @@ class Context(object):
 
 
     @property
     @property
     def record_path(self):
     def record_path(self):
-        return self.config.get('record_path', None)
+        return self.config.get('record_path')
 
 
     @property
     @property
     def lambda_config(self):
     def lambda_config(self):
-        return self.config.get('lambda', None)
+        return self.config.get('lambda')
 
 
     @property
     @property
     def exec_role_arn(self):
     def exec_role_arn(self):

@@ -62,7 +62,7 @@ class Function(object):
 
 
     @property
     @property
     def zipfile_name(self):
     def zipfile_name(self):
-        return self._config['zipfile_name']
+        return '{}.zip'.format(self._context.name)
 
 
     @property
     @property
     def path(self):
     def path(self):

@@ -35,7 +35,7 @@ class Policy(object):
 
 
     @property
     @property
     def name(self):
     def name(self):
-        return '{}-{}-policy'.format(self._context.name, self.environment)
+        return self._context.name
 
 
     @property
     @property
     def description(self):
     def description(self):

@@ -45,8 +45,7 @@ class Role(object):
 
 
     @property
     @property
     def name(self):
     def name(self):
-        return '{}-{}-role'.format(
-            self._context.name, self._context.environment)
+        return self._context.name
 
 
     @property
     @property
     def arn(self):
     def arn(self):