aweber_api:base code standards update

update AWeberAPI to code standards.
aweber_api:collection code standards updatei

update collection for std, and update test
aweber_api:data_dict code std update

update data_dict class to code std.
aweber_api:entry update code std

update entry class to current code std.
weber_api:oauth update code to std.

update oauth class to code std.
aweber_api:response update code to std.

update response class to code std.