* increased performance. coati is now 1.55 times as fast as at version 0.4
* integrated sourceweb parsing code
* removed astbodyvisitor
* NameHierarchy now store signatures in a new format
* storage does not allow to re-set the type of a node, once it is marked as "defined".
* made onTemplateRecordSpecParsed just create the edge, not the node.
* removed distinction between template specialitzations for functions and classes
* implemented handling lambdas as functions
* functions can have child nodes now
* NameElements in NameHierarchy can have signatures now.
* fixed crash that occurred when message listener was used while being half way through its destruction process.
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