Treat a non-existent dotenv file as an empty one

Thanks to @ya55en for the PR - behaviour when a .env file is missing is now more consistent with other libs and generally more logical

Tag change

Same codebase - just changing the tag number so shards correctly grabs it. Thanks @djmaze

Crystal 1.0.0

Bumped crystal version and added the ability to skip overwriting vars that have already been set

Support for traditional env files

DRVTiny code change to allow support for traditional env files

Few changes

Skip comments in .env files (signified by a hash at the start of the line)
Use absolute path for .env file

Initial commit

v0.1.0

readme