make_term can make sure a term has the required out_type
Added first draft of the README.
Tighter tests on some accessors.
Accessors attr, class, id and parent raise exception when they can't get
the value.
More tests for TestTerm
Added tests for AnchorTermAction
Added tests for make_action
Tests for make_term
Tests for make_anchor
Added support for checking out_value with arbitrary predicates.
Added tests for actions with selectors.
Making sure this is a list so we can delete the first argument.
Building a 'siblings' action with an extensible framework. Supporting
custom selectors.
Changing first-desc to fdesc (it wasn't even parseable)
Merge branch 'devel'