Simplest possible brainfuck hello world
This increments and decrements a single cell to the character
values of hello world and prints them consecutively
H++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++print.
e+++++++++++++++++++++++++++++print.
ll+++++++print twice..
o+++print.
space-------------------------------------------------------------------------------print.
W+++++++++++++++++++++++++++++++++++++++++++++++++++++++print.
o++++++++++++++++++++++++print.
r+++print.
l------print.
d--------print.
!-------------------------------------------------------------------print.