Provide piCast helpers instead of using raw booleans
factor out listener notify.  fix typo
freeze graphs before inserting into table
reduce IGV memory usage, intern strings, eliminate some LinkedHashMaps, cache InputEdges
Truffle: Updated inlining API. Pushed inlining implementation to the Truffle runtime.
Truffle: New more reliable inlining strategy for the Truffle runtime.
SL: adaptions for SL to new inlining API.
Truffle: Cleaned depracated API usage.
mx eclipseinit: take care of working sets that were edited by hand
Truffle: accidently increased max graph size.
Truffle: added visited set to avoid duplicate inlinings when operating on truffle trees violating the tree property.
Merge.
Merge.
Turn Truffle cache into least recently used cache with maximum size.
Merge.
Remove unused field.