Bump to 1.15.7
Bump to 1.15.7

bprymicz/thinky,JohnyDays/thinky,JohnyDays/thinky,soplakanets/thinky,gutenye/thinky-websocket,soplakanets/thinky,gutenye/thinky-websocket,rasapetter/thinky,rasapetter/thinky,gutenye/thinky-websocket,mbroadst/thinky,gjuchault/thinky,davewasmer/thinky,davewasmer/thinky