Scala 3-liner

This is actually pretty much just a general string builder:
```g()()(“db”)()(“y”)``` == ```”goodboy”```
3-liner, method #2: implicit function conversion

I like this one a lot. Plus, how often do you say “implicit function
conversion”?
Use shorter parameter name

Since I was going for short, probably best to use the short variable
name
Rename folder for new folder structure
Merge pull request #67 from Pwootage/master

Scala 3-liners: Case class apply and implicit function conversion