Update MinecraftCom.cs

[dogwatch]

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[ORelio]

OK so after reading, this allows to write messages substring by substring instead of char by char.
However this seems a bit complicated, all your previous changes made the code simpler/more efficient ^^
If you are trying to write as much text as possible at the same time, how about:

• First of all, replace \n with ' ' if !acceptnewlines
• Split string with '§' char as delimiter and get a string array
• Write first substring as is, if not null or empty
• For each other string, change console color with first char as color code
• and write the string with first char removed to the console

[ORelio]

Included this improvement in ea27740, thanks!
Used the algorithm in 5 steps described above + IO fixes, console output should be processed even faster :)