Anubis / Anubis

(2) Moved the content of compiler/src/predef.anubis into library/predefined.anubis as its 'private' part. 
     A new compiler/src/predef.anubis is still present unabling the command: myanubis -predef
(3) Fixed a bug in show.c
(4) Continued the new Anubis language manual (manuals/en/Anubis-doc-1-13)
(5) Implemented the option --credit in anbexec.

…bis_dev/manuals/en/Anubis-doc-1-13.pdf)

… Hope it's now ok (AP). 
(-reads now produces a beautiful visibility table) 
Some 'replaced by' still to be changed into 'transmit' in the library.

Add to_String for utime which produce ss.uuuuuu sec or only microsecond for the second version

tools/random.anubis:
Create this file to add ease some random stuff.
The first function is generate_random_string with the length needed string. Useful for generating web unique id without need to maintain counter

…ot to commit everything. Use the next revision instead.