Smaller fixes in cwTree.cls (Don't expand or collapse Nodes, when there's no ChildNodes)
a bit of cosmetics on different widgets (and removing a regression-causing change on cwTree.cls, introduced in the last commit)
Some cosmetics in cThemeWin7.cls - along with different smaller fixes (mostly DataSource-related) in cwTextBox.cls, cwTree.cls, and cwGrid.cls
added a new Widget cwDropDownList.cls, which is a visual inheriting wrapper-class around the more "generic" cwDropDown.cls, offering a DataSource-Property and dropping down an internal VList.
Avoid double KeyStroke-Event-Handling in case the dropdown-widget is already in "dropped-down-state".
enhance cwTextBox.cls about a 'Change'-Bubbling-Event
Added Themed Drawing style for ProgressBar
Merge pull request #14 from Vee-Hive/master

cwProgressBar added to widget stack
recompile of vbWidgets.dll
recompile of vbWidgets.dll
Recompile of vbWidgets.dll after cwProgressBar-Merge.
Merge branch 'master' of https://github.com/vbRichClient/vbWidgets
Little correction to the ProgressBar mValue handling

Corrects the visualization when mMin <> 0