Added comments on the sync functionality
Added comments on the sync functionality

Acidburn0zzz/sdk,Acidburn0zzz/sdk,wizzard/sdk,PatrickJBaird/sdk,Alexx99/sdk,SuperStarPL/sdk,sergiohs84/sdk,Alexx99/sdk,Alexx99/sdk,wizzard/sdk,thedebian/sdk,Alexx99/sdk,Alexx99/sdk,Novo1987/sdk,PatrickJBaird/sdk,PatrickJBaird/sdk,BiuroCo/mega,Sisky/sdk,javiserrano/sdk,jedisct1/sdk,Novo1987/sdk,wizzard/sdk,BlackFired/sdk,Alexx99/sdk,Sisky/sdk,BlackFired/sdk,18671178307/sdk,PatrickJBaird/sdk,Acidburn0zzz/sdk,meganz/sdk,Acidburn0zzz/sdk,18671178307/sdk,Novo1987/sdk,javiserrano/sdk,Novo1987/sdk,BiuroCo/mega,sergiohs84/sdk,thedebian/sdk,Acidburn0zzz/sdk,SuperStarPL/sdk,jedisct1/sdk,Acidburn0zzz/sdk,jedisct1/sdk,sergiohs84/sdk,BlackFired/sdk,thedebian/sdk,18671178307/sdk,jedisct1/sdk,Novo1987/sdk,thedebian/sdk,BlackFired/sdk,BlackFired/sdk,PatrickJBaird/sdk,Novo1987/sdk,18671178307/sdk,javiserrano/sdk,Sisky/sdk,Sisky/sdk,meganz/sdk,sergiohs84/sdk,BiuroCo/mega,javiserrano/sdk,thedebian/sdk,18671178307/sdk,18671178307/sdk,BiuroCo/mega,sergiohs84/sdk,18671178307/sdk,jedisct1/sdk,jedisct1/sdk,wizzard/sdk,BiuroCo/mega,BlackFired/sdk,sergiohs84/sdk,jedisct1/sdk,sergiohs84/sdk,meganz/sdk,thedebian/sdk,Novo1987/sdk,SuperStarPL/sdk,javiserrano/sdk,Acidburn0zzz/sdk,meganz/sdk,Novo1987/sdk,meganz/sdk,Sisky/sdk,SuperStarPL/sdk,BiuroCo/mega,Sisky/sdk,18671178307/sdk,PatrickJBaird/sdk,meganz/sdk,sergiohs84/sdk,SuperStarPL/sdk,meganz/sdk,jedisct1/sdk,Acidburn0zzz/sdk,javiserrano/sdk,SuperStarPL/sdk