Round numbers above and below

Place round number lines by step amount above and below bar

릴리즈 노트:

Fixed auto-scaling issue

릴리즈 노트:

Added lines within current bar as well

릴리즈 노트:

Reverted scale modification since it was buggy

릴리즈 노트:

Restricted to forex pairs for now since the step values are different for different asset types

릴리즈 노트:

Reduced default nuumber of lines to help with scaling issue