add a regex name filter on get_hosts, get_vms and get_templates
add _onerpc_id for method that only require the id
add create and delete template methods
allow to run _get_info to use external id, eg when creating new template
set the data after creating the template
provide easy create_template method
fix typo
add template instantiate interface
Merge pull request #5 from stdweird/more_template

add methods to create and delete templates