FMSLogo Code

Fix a critical copy-and-paste error in the documentation for LSHIFT.
The shifting is logical, not arithmetic.

Translate the documentation for the bitwise operations into Spanish.
This translation is based on Rosario Ruiz's translation of the MSWLogo manual.

Translate the documentation for FORM into Spanish.
This is based on the Rosario Ruiz's translation of the MSWLogo manual.

Update the documentation for RERANDOM to confirm to the style guideline
* The first sentence is a fragment with the procedure as an implied subject.
* No latin abbreviations.
* The example runs as written.
* Procedure names are given in upper case in the examples.

Translate the documentation for RANDOM and RERANDOM into Spanish.
The translation is based upon Rosario Ruiz's translation of the MSWLogo manual.

Fix spelling error: "nummber" -> "number"

Translate the documentation for the arithmetic predicates to Spanish.
This was based on Rosario Ruiz's translation of MSWLogo.

Translate the Numeric Operations section to Spanish.
The translation was based open Rosario Ruiz's translation of the MSWLogo manual.

Add a warning for when two semantically different English procedures are translated to the same word.
The first translation is ignored by FMSLogo, but still appears in the manual.
For each of these warnings, the code should be updated to not have the conflict (whatever translation is ignored should be left as untranslated).

Comment intern_primitive to make it clear that the second call with the same name wins.