MBS Xojo Plugins, version 18.5pr6

- Updated to Xcode 10.1.
- Updated ChartDirector to version 6.3.
- Added setResource methods to CDDrawAreaMBS and CDBaseChartMBS classes.
- Added loadData methods to CDDrawAreaMBS classes.
- Replaced 4 SendMail functions MapiMessageMBS with one unified method where you pass flags.
- Added new kSendFlag* constants to MapiMessageMBS class.
- Added HasPrefixMBS and HasPostfixMBS functions.
- Added InstallNSAccessibilityPatchMBS method.
- Added CopyMatchingAsync and AddItemAsync to KeychainManagerMBS class.
- Added UseUnicode property for MapiMessageMBS class.
- Changed CURLEmailMBS to no longer turn TO to CC if you have several TOs.
- Deprecated IconFamilyMBS class.
Or ask us to be added to our shared Dropbox folder.
