Import with support for ACL prior to add to keychain and labels

Certificate test and duplicate item support

Correcting errors from attempting to make import support EC

Certificate import and preparing for OSS

Support for import of file keychain items

ACL update code

Working import and export with unit tests

Keychain self signed certificate test code

Create README.md

Work to generate keychain for unit testing

Unit tests

Change ACL and export ACL entry modifications

Final project layout for commit to github

ACL code

Initial version