Minor update v1.0.1

This backwards-compatible minor releases adds and updates features
to fix shortcomings with memory management of fclEvent objects
and array pointers that are host-allocated via OpenCL for DMA.

Stable release v1.0.0

First stable release.

(!) Backwards-incompatible interface changes

These changes are not compatible with pre-release beta versions of the library.

• Update buffer initialisation interface to be generic subroutine

New features and enhancements

These changes do not affect existing interfaces from the pre-release version.

• Add fclCommandQPool object for handling multiple command queues
• Automatically make sure global dims are multiples of local dims at kernel launch
• Get ifort build working
• Add interfaces for creating sub-buffers
• Add fclInit() quick context setup function
• Allow device filtering based on supported features
• Incorporate reference counting of OpenCL events to avoid excessive memory growth
• Add support for OpenCL user events
• Populate all OpenCL 1.2 error codes
• Add copyright and license headers to library source files
• Add continuous integration to run tests
• Add test code coverage check to CI