v1.50.0

• "Delete File and Clear Sectors" now allows you to choose the fill byte
• "Replace File" is now full featured with a new option dialog
• Added "Add File" feature. Files can now be added to the disk image
• Added a new hex view for overdumped data
• added a new image resizing method for restructuring an image. This properly fixes images that are formatted with 8 sectors per track, but have an image layout of 9 sectors per track. It also fixes single sided images with a layout that is double sided.