Basic code.
Example of enum configuration keys.
Some examples, missing tests.
More null safety.
Back to compiling.  Needs clean up and helper statics.
More properties loaders.
Add merged properties.
Command line compiling.
Exmple with enum (correct).
Example with Spring and good error reporting.
Fix ordering bug with merged properties.  Add toString to most classes.
Fully working examples with some testing.
Merge branch 'feature/Examples' into develop
Additions for upcoming maven central.
Unix line endings.
Unix line endings.
Amend a bad idea after pushing.
More tidiness.
More publishing improvements.
Can test putenv.