Translated '04 THe PyMongo driver' into Spanish. Close #329.
Translated '10 Failover and Rollback' into Spanish. Close #340.
Translated '11 Connecting to a ReplicaSet from PyMongo' into Spanish. Close #341.
Minor edits for #329.
Merge pull request #342 from puentesarrin/issue-329

Translated '04 The PyMongo driver' into Spanish. Close #329.
Minor edits for #340.
Minor edits for #341.
Merge pull request #343 from puentesarrin/issue-340

Translated '10 Failover and Rollback' into Spanish. Close #340.
Merge pull request #344 from puentesarrin/issue-341

Translated '11 Connecting to a ReplicaSet from PyMongo' into Spanish. Close #341.