Pandoc-eqnos

* Version number bumped to 1.0.0.

* Write equation id in outer span; removed redundant
"<a name=..." tag (pandoc-eqnos Issue 26).
* Removed dependency on pandoc-attributes
(pandoc-fignos Issue 42).

* Release candidate updated for pandoc 2.0.

* Fixes for beamer (pandoc-fignos Issue 38).

* Bug fix for Word output (Issue 16).

* Documentation updates.