io-1.1.13-R0.13

Pre-release for testing purposes.

The features were initially tested without problems.

Changelog:

Attribute stage, cost_base and cost_modifier were introduced.
cost_base and cost_modifier are available at attributes.yml file.
cost_base: 1 - cost_base is a base cost of one stage upgrade. in this e.g. initial costs is 1
cost_modifier: 0.33334 - cost_modifier is a modifier to the base cost for each stage of the upgrade. in this e.g. costs will increase every 3

so:

# cost_base - initial cost of an attr upgrade
# cost_modifier - incremental value increasing cost_base for each of the attr upgrade

Filters for attribute manager has been updated to according changes.

# New placeholders for icon-lores:
# {amount} - the stage value for invested points.
# {total} - the stage value for invested points and class modifiers.
# {max} - max stage value player can invest the attr points.
# {cost} - cost in attr points for an upgrade to the next stage.
# {invested} - total spent attr points for the attr.
# {ap} - current value of attr points.