Resolve "add warning level option on the command line"

Closes #10 (closed)

added 2 commits

• 54eb5e1a - add warning option on command line
• 0d5bd596 - add the option to use colored output

Compare with previous version

By Dominique Marcadet on 2019-04-30T07:13:20 (imported from GitLab project)

unmarked as a Work In Progress

By Dominique Marcadet on 2019-04-30T07:13:55 (imported from GitLab project)

mentioned in commit 1047212f

By Dominique Marcadet on 2019-04-30T07:14:00 (imported from GitLab project)

merged

By Dominique Marcadet on 2019-04-30T07:14:00 (imported from GitLab project)