Handle warnings for the latest compilers. (PDAL#2689)

1.9.1 release changes.

conda build for osx

Mods for python w/cmake 3.12 and 3.13.

Remove debug.

1.9 Release details.

Package name fix.

1.8RC2

Update EptReader for EPT formatting changes before EPT release. (PDAL…

…#2252)

* Update EptReader for EPT formatting changes before EPT release.

* EptReader review updates.

Use -1 as query origin ID sentinel instead of pointer.  Cache XYZ
transforms.  Remove unused transform code.  Don't double-transform XYZ.

* Update EptReader sources handling to latest EPT 1.0 RC.