new MANPAGE; added old skintone researches, APIDOC update

Former-commit-id: a4d95985638e6f6d2acaa95a1323a175ad5f232a
Former-commit-id: 7eae9d9f4471338380f2b0b827ff68577badcf54

work_files/romapidoc/api_shell.tex

@@ -6,5 +6,5 @@
 	\textbf{\large Function} & \textbf{\large Return} & \textbf{\large Description}
 	\\ \\
 	\endhead
-	shell.run(\textbf{path}: string) & nil & Loads the script on \textbf{path} and executes it.
+	shell.run(\textbf{path}: string, \textbf{args}: table) & nil & Loads the script on \textbf{path} and executes it.
 \end{tabularx}