[CLI] Check options after commands (-f)

[matiaspando]

./wallet confirm -f

fs.js:429
binding.open(pathModule._makeLong(path),
^
TypeError: path must be a string
at Object.fs.open (fs.js:429:11)
at Object.fs.readFile (fs.js:206:6)
at FileStorage.load (/Users/matiaspando/dev/bw/bin/filestorage.js:20:11)
at Function.Utils.getClient (/Users/matiaspando/dev/bw/bin/cli-utils.js:57:11)
at Object. (/Users/matiaspando/dev/bw/bin/wallet-confirm:11:7)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)