add custom file browser control
Added about and settings dialogs
Fininshed file/dir browser control
add kwargs and callback to FileBrowser
make settings use new FileBrowser args
Add custom commands to new refinements, replace old file browse widgets with FileBrowser, cleanup some redundant code
Cleanup new refinement dialog
Make new ins file remove duplicate damp command if defined in custom input
add git ignore
Merge branch 'master' of https://github.com/stufisher/Proton8