Change the Block coordinate methods (x(), y(), z()) return type to long

[ExE-Boss]

This PR changes the Block coordinate methods (x(), y() and z()) return type to long. This is needed for SuperNOVA and other voxel based games, which have larger worlds than Minecraft.

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Additional changes/fixes:

• Changed BWBlock.getMcBlockAccess() to BWBlock.blockAccess()
• Added BWBlock.blockPos() in MC 1.8
• Merged BWBlock.getTileEntity() and BWBlock.getTileEntityImpl()
• Fixed BWBlock.load(Data)

[codecov-io]

Codecov Report

Merging #301 into master will increase coverage by 0.25%. The diff coverage is 32.65%.

@@             Coverage Diff              @@
##             master     #301      +/-   ##
============================================
+ Coverage     16.16%   16.42%   +0.25%     
- Complexity      897      931      +34     
============================================
  Files           413      413              
  Lines         13084    13130      +46     
  Branches       1377     1375       -2     
============================================
+ Hits           2115     2156      +41     
- Misses        10823    10830       +7     
+ Partials        146      144       -2

Impacted Files	Coverage Δ	Complexity Δ
...r/mc/forge/v18/wrapper/block/backward/BWBlock.java	0% <0%> (ø)	0 <0> (ø)	:arrow_down:
...r/mc/forge/v17/wrapper/block/backward/BWBlock.java	0% <0%> (ø)	0 <0> (ø)	:arrow_down:
src/main/java/nova/core/block/Block.java	8.88% <0%> (ø)	3 <0> (ø)	:arrow_down:
src/main/java/nova/core/util/math/MathUtil.java	98.96% <100%> (+16.87%)	79 <26> (+34)	:arrow_up:

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