Update case-67.txt
Update case-52.txt
Create case-73.txt
Create case-74.txt
Create case-75.txt
Update case-63.txt
Update case-64.txt
Update case-66.txt
Update case-67.txt
Update case-68.txt
Update case-69.txt
Update case-70.txt
Update case-71.txt
Update case-73.txt
Update case-74.txt
Update case-75.txt
Merge pull request #82 from galcalde/master

[es] Cases 73, 74 and 75 and many small corrections