Update version.
Add transformBy3 function.
Add benchmark script.
Fix: trimmed mean trims unsorted list.
Add String module (#23).
Change build script's deploy option

Adds --deploy option instead of --no-deploy option.
Add mergeWith function.
Add singleton function.
Performance tuning.
Add randomConcat function.
Change the signature of randomConcat

String.concat takes a separator parameter to be inserted between strings.
String.randomConcat should take a separator parameter as like String.concat.
Merge with master.