DHS_UIErrors (v1.3)

Change Log:
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v1.3

made compatible with client 5.1

v1.2

Updated interface: increased count of messages shown at once in option frame

Description:
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Addon decided to filter and block unwanted UIErrorsFrame messages like "Ability is not ready yet.", "Spell is not ready yet." and others

To access option frame type /DHS_UIE

p.s. to block message, addon must see it first on screen, so message can be blocked after hi is shown atlast 1 time