Change send/2 to return error if one occurs
Add XEP-0184 stanzas
Extend XEP-0184 capabilities
Fix 0184 groupchat and message types handling
Convert 0184 functions to #xmlel{}
Change 0184 predicates to follow standard
Merge pull request #11 from esl/xep0184-rebase

XEP-0184 - related functions
Specify types in escalus_config
Extend Makefile with dialyzer and typer rules
Typespec escalus_session
Be explicit about the deps to base dialyzer PLT on
Refactor auth_sasl_scram_sha1/2
Simplify escalus_stanza:auth / :auth_response and fix dialyzer warnings
Fix typo: undefiend -> undefined
Fix more escalus_stanza.erl type discrepancies
Typespec escalus_connection
Fix more bugs with non-lists as #xmlel.children
Annotate escalus_app.erl
Annotate escalus_assert.erl
Annotate escalus_pred.erl

Touches escalus_utils.erl and exml.