GCC complains if we assert an unsigned quantity is >= zero.
Some minor cleaning up [ci skip].
CellML support: slight improvement to our isCellmlFile() method (closes #436).
Improved the file and CellML file managers (closes #437).
Viewer: fixed the issue with digit grouping not working with integer numbers (closes #438).
Fixed the issue with some plugin selections crashing OpenCOR on restarting (closes #439).
Core plugin: open-related actions are now disabled when no views are available (closes #440).
Updated the user documentation (#428) [ci skip].
Some minor cleaning up.
Some minor cleaning up [ci skip].
Use msvcp100d.dll and msvcr100d.dll (rather than msvcp100.dll and msvcr100.dll) when building in debug mode [ci skip].
Some minor cleaning up of the CellML API readme file [ci skip].
Use proper (i.e. release or debug) Windows distribution files [ci skip].
Only copy necessary Windows distribution files [ci skip].
Some minor cleaning up [ci skip].
Improved Plugin::info() by only providing the error message, if any, when requested.
Slight improvements to initPluginsPath() [ci skip].
Slowly getting ready for version 0.3.
Some minor cleaning up [ci skip].
Updated the user documentation (#428) [ci skip].