Modernise App: Upgrade from iOS 10 => 15, Swift 3 => 4

Fix 'camera not working' bug

Update to support modern Apple technology.
No new features or bug fixes in this release.

- Fix issue where on-screen keyboard covers the bottom of the program so you can't see what you were editing.
- Other minor bug fixes.

[BUGFIX] When adding a new exercise the Exercise Type now defaults to 'Reps' instead of [blank]
[BUGFIX] Exercise Program Titles and Notes are saved instantly rather than requiring you to press Save.

- Fix for 'App crashes when you attempt to add an exercise to a program'

- PROGRAMS: Ability to save a recently created custom exercise to the master exercise DB
- Ability to change 'Reps' to 'Seconds' or 'Metres' when creating new exercises or editing existing ones (just tap 'Reps' to toggle between them)

- After you have created a custom exercise inside a program you have the option to save it to your main exercise list.
- iOS 10.3 support for iPad 4th Generation users who can't upgrade to iOS 11.

Adds support for iOS 10 devices
We previously only supported iOS 11 but we have had many requests to support iOS 10, especially from iPad 4 owners as those devices don't support iOS 11.

- Programs that are emailed to clients no longer cut exercises in half at the bottom of the page
- Add colour chooser when you tap on the colour box in settings
- Add ‘title’ field to all programs. If it’s empty then it won’t appear on the PDFs

- Ability to set a custom company logo and colour on settings screen
- Custom logo and colour will appear in programs sent to clients
- New 'Tracking Card' export as PDF included when emailing clients which lists all exercises and has enough columns for tracking 6 workouts.

- Ability to specify custom logo in settings page
- Custom logo appears in all programs you print/email
- Bug Fixes
- Rebranding

The "Sherlock" Update: search functions everywhere!
- CLIENTS: Ability to search for a client, simply pull down on the list or press the search icon
- EXERCISES: Ability to search for an exercise as above
- PROGRAMS: When adding an exercise you can search for an existing exercise

Enhanced Login Process plus bug fixes.

Fix for 'Removing exercise from a clients program causing crash'

Supports (and requires) iOS 11.
This will fix the issue with emails not including PDF attachment.
This version has been extensively updated so please report any issues to Tobias.