Fix ascent and descent commands.

For seven years and two days, the algorithm for ascent and descent has had an off-by-one error, ...

Unnecessary debug output removed. I'm very sorry =(

It was my mistake, I'm very sorry =(

Customizable command log format (Date+Time are now available)

Fix entities double transformation copy-rotate-paste and stack

tested with commands stack,copy,rotate,paste
1. //stack 3 up (checked field "repetitions")
2. //c...

Added the option format to config files (config.yml + worldedit.properties). By default, current ...

Fix loading and converting signs in old schematics

LEAVES2 should have snow on it too

some translucent blocks were missing

* Sign texts not starting with { are never valid json objects, so don't try to parse
* Else try ...

Made configuration file comments easier to read

Vector and BlockVector should use the same hashCode

Thanks to @kenzierocks for showing me some mistakes i forgot to fix

This should make it a little more clearer to read when someone configures WorldEdit config.yml file

Provide compatibility for legacy schematics that use the old sign NBT format

Fix //snow doesn't put snow on all types of leaves

Update for BlockChangeFlags change

For example, //snow didn't work on Oak leaves while it did work as you would expect on Dark Oak ...

Added 1.12.2 support to WorldEdit Sponge

Closes #393.