Merge pull request #85 from galcalde/master

[es] Cases 81 to 90
Merge pull request #86 from galcalde/master

[es] Cases 91 to 95
Updated text
Updated text
Merge pull request #87 from galcalde/master

[es] small corrections
Merge pull request #88 from galcalde/master

[es] Cases 96 to 105
[IT#167] Add case
[IT#165] Fix typo
Merge pull request #12 from alessandro1997/master

update