checked mode fixes; add a FileError type
nits
Merge pull request #130 from dart-gde/devoncarew_checked_mode

Devoncarew checked mode
Update pubspec.yaml

rev to 0.4.4
Update pubspec.yaml

rev to 0.4.5-dev
roll back part of last CL
Merge pull request #132 from dart-gde/devoncarew_checked_fix_2

roll back part of last CL
Update pubspec.yaml

roll to v0.4.6-dev
update to the new apis
remove cc files
remove cc files
remove some idl that don't parse; add in some new libraries
moved socket into an orphaned library; reverted the class renames
Merge pull request #138 from dart-gde/devoncarew_new_apis

Devoncarew new apis
rev to 0.5.0
Merge pull request #140 from dart-gde/devoncarew_new_version

rev to 0.5.0
Adding sdk to change log