The cobble and mossy cobble have a little tile error.
Vanilla does the same. The 1.8 update was lazy and merely decreased the contrast from the old mossy cobble, instead of making a new pattern like the new 1.7 version.
Here's the properly tiling version that Sword_Frog made for the customizer:
Private Mod Note
Rollback Post to RevisionRollBack
NNID: Ivysaur1996 | Steam: ivysaur1996 (Ivy) | More info
Hi. Your download link is broken. Missing some text in the middle. And want to point out that i did redstone/coal/lapis earlyer on both ways. but dont know if yours differ alot from them as i cant load your pack. (no harm done here )