* Resolved dependency on SwiftArgumentParser

- Moved BlueSocketTestClient and BlueSocketTestServer to Examples folder
  with it's own Package.swift file

* Update minimum swift argument parser to 1.1.3

* Update podspec; Update travis build platforms.

* Updated podspec

* Update README for minimum toolchain versions

* travis: update CI environments
* Add BlueSocketTestCommonLibrary, BlueSocketTestClient, BlueSocketTestServer
- Add a library component to make it easier to do tests and profiling under streaming loads (multiple client connections, lots of data, etc.)

* Removed Swift 4.x, bumped minimum swift version requirement to 5.1
* keep build at Swift 5.0; update CI to only test from 5.1.5 on up
* Only attempt to build command-line for Swift 5.2+
* Ensure tools and dependencies only build for Swift 5.2+
* Address various lint errors
* Update README with version details and latest iOS related issues

* Update cocoapods

* Update the version

Update copyright info

Update copyright info

Update copyright info

Update copyright info

an connection -> a connection

Fix the retrieve of the UNIX address as an UnsafeMutablePointer for b…

Support Swift 5