* Move core library sources into src/lib/core
* Move command-line programs into src/cli

* Reported by @kmacdonald-stsci

* Adds --cpu-limit and --parallel-fail-fast arguments
* Adds disable, parallel, and setup_script keys to [test] blocks

* Die when render variable is NULL

* This was caught when a call to {{ func:xyz() }} lacked opening/closing parenthesis

* Scripts in tests should only render template strings right before execution

* Remove conda version pin

* This avoids updating conda in the base environment
* This also avoids pitfalls associated with newly released (always broken) versions of conda

* Add two template convenience functions

* get_junitxml_result_auto()
* get_basetemp_result_auto()

* Handle rendering error for test script

* Rename functions

* get_junitxml_result_auto -> junitxml_file
* get_basetemp_result_auto -> basetemp_dir
* Thank you, @zacharyburnett

* Free the function key string in tplfunc_frame during tpl_free()

* Fix leaks in get_github_release_notes_auto_tplfunc_entrypoint():

* Free repository name
* Free list of release notes

* Compile test installation with debug symbols enabled

* Fix typo in environment variable name

* STASIS_GITHUB_TOKEN is supposed to be STASIS_GH_TOKEN

* Add pattern matching mode selector to get_wheel_file()

* Adds modes WHEEL_MATCH_EXACT and WHEEL_MATCH_ANY

* test block version key is now optional

* Now that *_packages lists define the package version through detection, because the end-result version cannot be guaranteed to be identical to the tag.

* Find the just-compiled package matching the name and version in the package list.
* If compiling master/main this can also match against post-commits (x.y.z.devN+hash)
* Versions are extracted from the package name in the list, only if a matching test block exists. Otherwise the string is passed through to pip directly.

* Changes indentation level of output

* Do not replace @PIP_ARGUMENTS@ with an artifactory URL unless artifactory is enabled

* Sequence change

* Build requested packages before executing tests. A necessary evil if test blocks are no longer responsible for setting the version data
* Show the delivery summary just before test execution, instead of at the start of the program

* Terminate package name at version operator when a package is filtered for testing

* Add github.c and github.h

* Implements get_github_release_notes()

* Remove unused variables

* Fix circular dependency on tplfunc_frame

* Remove predeclaration of tplfunc_frame
* tpl_register_func accepts pointer to void instead
* tpl_register_func sets maximum number of arguments
* Frame is generated within tpl_register_func

* Improve template function error handling and return/output management

* Remove redundant extern statement

* Include github.h and template_func_proto.h in core.h

* Expose get_github_release_notes_tplfunc_entrypoint function to template engine

* Add template_func_proto.c and template_func_proto.h

* Replace free() with guard variant

* Fix test_template::test_tpl_register_func

* Fix tests

* Fix tests

* cmd should be at least PATH_MAX in size.

* Magic number caused failure to install conda with a long installation path

* Implement get_github_release_notes_auto function that bases release note data off test contexts

* Disable overwriting releases by default

* Add automatic release note generation function call to release_notes.md.in

* Fix test_tpl_register_func()

* Add enough space for tar command plus a path

* Fix circular include

* Github functions do not require access to core.h anyway

* Add comments to union

* Update README to mention template function availability

* Add EnvCtl structure
* Add runtime checks to avoid running all the way to the end only to be met with a configuration error.
* Rename GITHUB to GH

* Development docs pre-rough-draft