fix sidenote on issue #588

Fix Query return type

Remove dead yet conflicting method

Unify the CMake targets for static and shared libraries

CMakeLists.txt support for relocatable installs

Forcing CMAKE_INSTALL_LIBDIR and CMAKE_INSTALL_INCLUDEDIR to be absolute is unnecessary and results in absolute paths in the installation. This prevents relocatable prefix installations.

The installation interface should really be a relative path.

In PrintString, move the optimization under the if ( _processEntities…

In PrintString, move the optimization under the if ( _processEntities ) block and retain the strlen Write in the new else block. Added a test case.

Fix stack overflows

Simplify checks

Improve test message to avoid duplicate log output

Cleanup ErrorName() tests

* clarify what is being tested to avoid duplicate lines in output
* prevent optimizations based on undefined behavior

fixed issue where CTest is executed in the wrong directory

Add install and uninstall target to Makefile

Improve handles tests

fix "dereference before null check" defect

fix installation path for *.cmake

This PR closes some gaps in the makefile. It follows GNU coding standards and conventions at https://www.gnu.org/prep/standards/standards.html. It is not specific to GNU, and most of the world follows it.