override to do something after loading - e.g. set defaults
get all bookmarks for project (for specified source file only, if specified)
get all breakpoints for project (for specified source file only, if specified)
get all bookmarks for project (for specified source file only, if specified)
get all breakpoints for project (for specified source file only, if specified)
list of expanded workspace explorer items
update list of expanded workspace explorer items
Last opened files in workspace
Last opened files in workspace
last selected workspace item in workspace explorer
update last selected workspace item in workspace explorer
local settings for workspace (not supposed to put under source control)