Add forgotten change in previous commit which made the KeyDown event never get triggered. If set to true, the form receives all key events and otherwise only if the currently selected control on the form is selected.
Pressing enter while having selected results will now open them all (after being prompted about it)
Fix a minor grammatical mistake in yes/no box when pressing Escape
Add filename to error box when an exception was thrown while trying to start a process, in case someone tried to open several files at the same time and this error pops up
Use the full file path when trying to open a file from double click. Fixes issue where, if directory was not shown (checkbox unchecked), it would not succesfully open the file