foreach 19 (0.4.4)

• const correctness.
• vehicle and actor iterators (ziggi).
• remove unnecessary testing detection and inclusion that could potentially cause issues.
• update readme to include examples from ziggi's version and a link to his for anyone who wants more iterators by default.
• open.mp compatibility code (punkochel, 21thyear)

foreach 19 (0.4.3)

Iterators are now default set to ITER_NONE (-1), because in this version, an iterator can only hold 0 - size.
Added Iter_Finish and Iter_Previous marcos.
Remove \n at the end of the file.
Removed Iter_Debug & Iter_ShowArray (unused / disabled).
Remove space on function declarations.
foreach: clear each iterator under OnFilterScriptInit/OnGameModeInit.
Added a revised Iter_SafeRemoveInternal (ZiGGi).
Fix tags (ZiGGi).
Fix FOREACH_NO_BOTS usage #7 .
Fix some grammar issue with spaces.

foreach 19

Cleaned up the entire include.