v2.1.0

Added key commands:
d => toggle_debug
p => toggle_paused
s => trigger_step
c => clear_screen
b => increase_bandwidth
B => decrease_bandwidth
t => increase_throughput
T => decrease_throughput
n => increase_neos_influence
N => decrease_neos_influence
a => increase_animation_interval
A => decrease_animation_interval
l => increase_limiter
L => decrease_limiter