Merge pull request #38 from ryukinix/auto-docs

docs: add make docs

Merge pull request #32 from ryukinix/fix-deploy

fix: deploy docker auth

Support infix expressions and add roswell script!

CHANGELOG:
+ Add unit tests using prove
+ Add a makefile to help testing
+ Add a roswell script to help distribute software
+ Use infix expressions as default of main function
+ Fix properly the implementation of infix-to-prefix

Fix typos in README.md