add null hints and checks to def
add debug logging of graph vertices
add support for alternativeClassName, alias and xtype collection
add impl for alt handling
resolve refs alt refs adding edges to graph
tidy
additional mojo logging
simplify checked excecption
add additional warnings
avoid duplicate pom config
Add support to omit (auto-comment) lines surrounded with //<debug> and //</debug>
Extract omission bits into helper class.  Make generic //<if flag> and //</if>
Configure  -Dextjs.omit.debug=true -> 'debug' flag support
Enable omission for "prod" aggregations
hook up some omission tokens aroudn logging
update constant names
bit more flexible config to support testing