Load a minecraft schematic into prismarine world
- fix dependencies
- some fixes by updating mc-schematic
- add more tests and fix negative iniPos
- fix by updating initialize of prismarine-chunk and prismarine-world
- fix iniPos%16!=0 bug
- define skyLight to 15
- move initialize to prismarine-chunk and prismarine-world
- handle metadata
- fix chunk setting
- basic functionality