0.9.4

Changelog

995e178 Add a new int.64bit check (#12)
cab1e51 Report line numbers for parse errors (#14)
029a89a Store Messages by value
c2cbaba Support ast.Position column numbers (#17)
7fcee9e Switch to ast.Position (from idl.Position) (#16)
90e6813 Update to thriftrw-go@369aed6e25db
0b456d8 Use fnmatch()-style file path matching (#18)
7acd91d Use parsed idl.Info to determine node positions (#15)