Merge pull request #7 from Weebly/jace/EMT-1774

EMT-1774: Bump OSX deployment target to 10.13

Merge pull request #5 from Weebly/jace/EMT-1774

EMT-1774: Add privacy manifest

update Xcode settings

Lower iOS deployment target to 10.0

Fix up iOS framework target

More updates to get two schemes

Bump podpsec info

Add support for reading values with error handling

Fixes for b4 / typos

Don't try to compile readme