Fixed reversion and added data browser.

Revert "Finished rename dialog."

Finished rename dialog.

Created tab control for multi-file editing.

Fixed designer error.

Added default font.

Fixed language label and updated UI.

Removed redundant code.

Updated shell scripts.

Created a build script to run without an IDE.

Fixed save dialog.

Added save dialog filters.

Added open dialog filters.

Created resources folder.

Added languages tab to change syntax.