Fixes issue in iOS16 related to mono sampling from the microphone.

Fix for rotation issues in iOS16.

This app has been updated by Apple to display the Apple Watch app icon.

Fix for reported rotation grey screen issues.

Fix for Load and email menu choice errors.

v5.6.13 Restore cursor interactivity
         Minor cosmetic changes

v5.6.12 Fix for Load file selection crash
         Fix for display position and button response on iPad

v5.6.11 Revision for Menu cancel, and landscape on iPad

v5.6.10 Fix for undraggable calibration sliders at top of screen
         Fix for Menu positioning in landscape on iPad

v5.6.9  Fix for unresponsive Menu on iPad in iOS8

IOS7 fixes for a) Signal Generator layout in landscape, b) File picker view (e.g. when Loading spectrum files), c) Menu option view in landscape

Fix for Menu rotation on iPhone
Fix for iOS7 crash at app startup

v5.6.4  Fixes for Rotation issues
         Reduced memory footprint
         Smaller waveform buttons on iPhone

v5.6.3  Changes to Spectrograph memory management
            Supports rotation of iPad/iPhone
            Allows AudioTool files to be sent as email

v5.6.2  Copies silence to output buffer when generator not running
         Menu button now shown in RT60
         Use Mode Measurement in Audio settings
         Set alpha to zero for Window in both iPad/iPhone (fixes overlay issue on iOS5)

Support for iOS 5.0.

Fix for single calibration input mode: now brings up full keyboard.