Merge branch `dev` into `master` - `v1.5.0`

[vinisalazar]

Summary of changes:

• Add environment file
• Add simple tests
• Bump version number
• Improve function lineage_extractor (WIP)
• Small code improvements
• Add deprecation notices

@vrmarcelino I will leave this as draft until I figure out the lineage problem.

Edit: ready for review, problem is solved.