Formatted experiment and kpi name (remove special chars)

Merge pull request #3 from felipelealdefaria/new-version-1.1.1

feat: formatted experiment and kpi name (remove special chars)

Return boolean status response

Merge pull request #2 from felipelealdefaria/new-release-v1

refactor: return boolean status and update unit tests

fix experiment.init() function

Correction of errors to start the experiment.
The example of how to use the service is present in readme.me