Release 1.52.0

22 new icons:

• app-window
• armchair-2
• arrow-big-down-line
• arrow-big-down-lines
• arrow-big-left-line
• arrow-big-left-lines
• arrow-big-right-line
• arrow-big-right-lines
• arrow-big-up-line
• arrow-big-up-lines
• barbell
• bell-z
• books
• circle-half-2
• clubs
• diamonds
• flower
• id-badge
• layers-intersect-2
• paw
• spade
• square-half

Fixed icons: omega