Release 1.74.0

18 new icons:

• arrow-merge-both
• arrow-merge-left
• arrow-merge-right
• garden-cart
• ground
• logic-and
• logic-buffer
• logic-nand
• logic-nor
• logic-not
• logic-or
• logic-xnor
• logic-xor
• microwave
• outbound
• sos
• steam
• storm