iced2 node 15 repl compatibility #209

root@stor:/# nvm use 15
Now using node v15.11.0 (npm v7.6.0)
root@stor:/# iced
iced> /root/.nvm/versions/node/v15.11.0/lib/node_modules/iced-coffee-script/lib/coffee-script/repl.js:81
 nodeLineListener = rli.listeners('line')[0];
 ^
[TypeError: Cannot read property 'listeners' of undefined
 at addMultilineHandler (/root/.nvm/versions/node/v15.11.0/lib/node_modules/iced-coffee-script/lib/coffee-script/repl.js:81:28)
 at Object.start (/root/.nvm/versions/node/v15.11.0/lib/node_modules/iced-coffee-script/lib/coffee-script/repl.js:191:7)
 at Object.exports.run (/root/.nvm/versions/node/v15.11.0/lib/node_modules/iced-coffee-script/lib/coffee-script/command.js:81:32)
 at Object.<anonymous> (/root/.nvm/versions/node/v15.11.0/lib/node_modules/iced-coffee-script/bin/coffee:7:41)
 at Module._compile (node:internal/modules/cjs/loader:1092:14)
 at Object.Module._extensions..js (node:internal/modules/cjs/loader:1121:10)
 at Module.load (node:internal/modules/cjs/loader:972:32)
 at Function.Module._load (node:internal/modules/cjs/loader:813:14)
 at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:76:12)
 at node:internal/main/run_main_module:17:47
]