Glow stone generator

The GLOW_STONE_GENERATOR is Minecraft's generator to generate glowstone in the nether.

It has 6 settings:
POSITIVE_VERTICAL_SCOPE: how height from the first selected block it should generated up. The default value is 0
NEGATIVE_VERTICAL_SCOPE: the same as POSITIVE_VERTICAL_SCOPE only in the negative direction. The default value is 12
HORIZONTAL_SCOPE: how much blocks should it spread spread int he x and z axis from the center block. The default value is 8
POSITIVE_TRIES: how often should it try to generated a block in the POSITIVE_VERTICAL_SCOPE. The default value is 0
NEGATIVE_TRIES: same as POSITIVE_TRIES only for the NEGATIVE_VERTICAL_SCOPE. The default value is 1500
CONNECTIONS: //TODO add explanition The default value is 1

Note: all values should be 0 or positive. The default values are the values witch are used to generated glowstone in the nether.