Fix /block giving Ink Sac's and glowstone amount

Fixes /block giving Ink Sac's instead of Lapis Lazuli.
Fixes /block converting 9 glowstone dust to blocks instead of 4 glowstone dust like in vanilla crafting recipies.
Fix message.
Merge pull request #42 from Tibo442/patch-2

Fix /block giving Ink Sac's and glowstone amount