[9684] Add helper function to check if a string is numeric

[newsbot]

<pre>m src/shared/Util.h
m src/shared/revision_nr.h

[9684] Add helper function to check if a string is numeric

(based on DasBlub's repo commit 1d5b209)

Signed-off-by: VladimirMangos <vladimir@getmangos.com></pre>



Дальше... (http://github.com/mangos/mangos/commit/5cb948720e077849f0e438fd86f47a90de5dec25)