added convenience access methods to ChunkSection
added convenience access methods to ChunkSection

all offset calculation and bit moving is now hidden in the class
EtlamGit/minutor,mrkite/minutor,mrkite/minutor,Metibor/minutor,Metibor/minutor,EtlamGit/minutor,EtlamGit/minutor,mrkite/minutor,mrkite/minutor,EtlamGit/minutor,EtlamGit/minutor,mrkite/minutor,Metibor/minutor,Metibor/minutor,Metibor/minutor