fix(searchDoc): correct few typos

Prohibe one letter var
Correct some french typo
fix(dossier): review dossier chapter

Correct few typo
Add few exemples
Merge pull request #171 from cbonnissent/correctSearchDoc

fix(searchDoc): correct few typos
Merge pull request #173 from cbonnissent/reviewDossier

fix(dossier): review dossier chapter
fix(doc): review doc
Merge pull request #174 from eguaj/3.2-doc-array

Doc::*array* methods
Merge pull request #175 from cbonnissent/reviewDoc

fix(doc): review doc
Some more Doc::* methods