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The underscore is removed because it is a global variable used
outside of the modules it is declared.
The new name is a precise description of what this variable is
used for.

Default arguments where set in kamaki.cli.arguments using the
global variable "_arguments". This was a semantic mistake, a
pep8 violation and arguably bad style.  The "_config_arg"
variable was also global and auxiliary to "_arguments"
initialization.

The "_argument" and "_config_arg" global vars are removed from
kamaki.cli.arguments. The initialization is now an internal
proccess in the "main" function of kamaki.cli, which is the
method responsible for setting up all kamaki interfaces.

Names are changed for uniformity. Backwards compatibility is kept,
(old names are not dismissed)

Renames:
CycladesRestClient --> CycladesComputeRestClient
CycladesClient --> CycladesComputeClient

Users can still import and user CycladesRestClient and CycladesClient

Renames:
_pithos_init --> _PithosInit
_pithos_account --> _PithosAccount
_pithos_container --> _PithosContainer
_source_destination --> _PithosFromTo
_pithos_group --> _PithosGroup

Renames:
_init_network --> _NetworkInit
_port_wait --> _PortWait

Rename: _init_image --> _ImageInit

Rename: _init_history --> _HistoryInit

Renames:
generic --> Generic
user --> Astakos
history --> History
cyclades --> Cyclades
image --> Image
pithos --> Pithos

Rational: each command specification can feature a class of error
handling methods, which can be shared with other specs, if the
later need to borrow the same behavior

Also, new names conform with pep8 suggestions for class names

Renames:
_init_cyclades --> _CycladesInit
_server_wait --> _ServerWait

Move and rename:
kamaki.cli.cmds.cyclades._service_wait --> kamaki.cli.cmds.Wait

The class is now accessible to all commands, therefore it is not
an internal class for cyclades module. The name of the class
changed to conform with pep8 suggestions for classes

Renames:
_init_synnefo_astakosclient --> _AstakosInit
_project_action --> _ProjectAction
_application_action --> _ApplicationAction
_membership_action --> _MembershipAction

Both classes are located in kamaki.cli.cmds

New class is called "OptionalOutput"
Old and new classes were/are located at kamaki.cli.cmds

Class is located at kamaki.cli.cmds

This fix affects "kamaki file list [/CONTAINER[/PATH]]" command

Before this fix, if there were no results to show to the user, an
"empty container" notification would appear.
Now, the command distinguishes between the various cases:
 - empty container
 - empty directory
 - non-existing object
 - non-directory object
and notifies appropriately.

Fixes #11

In "kamaki file upload", the destination path is now an optional
argument, set to be equal to the base name of the source path, by
default.

Closes #10

Methods affected in kamaki.clients.pithos.rest_api.PithosRestClient:
account_head/post, container_head/put/post, object_head/get/copy/move

Bug: pithos.PithosClient.append_object failed to find and join the
last thread

Handle input and output encodings in console as well as HTTP response and request headers.
Console input/output is encoded/decoded from/to preferred encoding.

Introduce the "headers_to_quote" and "header_prefices" properties
in RequestManager class. Modify the class so that only matching
API-specific header values are encoded and quoted.

In ResponseManager, do not encode all headers to unicode.
Encode ONLY the headers mentioned by the caller method.

A caller method can use the headers_to_decode and header_prefices
property-getter/setter methods to set a list of header keys and
a list of header key prefices for encoding. All keys are case
insensitive.

Introduce the 'get_endpoint_url' method (identity client wrapper) and use it in client initialization.

Closes #2

Refs: #2

Refs: #2

In kamaki, AstakosClient is imported from the astakosclient
package, and then it is wrapped so that some convenienve methods
can be added.

Refs: #2

The "service_type" of an API client is related to the endpoint URL
used to initialize the client and should match the "type" attribute
of the corresponding endpoint.

Fixes #5

Replace "dateutils" with "python-dateutil"

Update astakos-related commands to support project id assignments and reassignments (introduced in synnefo 0.16). Also, update commands and library methods that are affected by these changes.

Change expected value from 202 to 200 in reassign_floating_ip