Fix grammatical errors within Functions chapter

This clarifies two grammatical errors within the *Other things to know* section and swaps a comma out for a dash to better connect the dependent and independent clauses.
Clarify cause-and-effect of writing more objects

The original sentence implies that adding objects somehow makes them more effective.
Merge pull request #34 from restlessdesign/patch-1

Fix grammatical errors within Functions chapter
Merge pull request #35 from restlessdesign/patch-2

Clarify cause-and-effect of writing more objects
Added a section on octal and binary literals
Merge branch 'master' of github.com:nzakas/understandinges6
Update 01-The-Basics.md
Merge pull request #37 from esundahl/patch-1

Update 01-The-Basics.md
Add chapter 1 preview to the book
Fix merge conflicts
fixed some typos, clarified/corrected a few slight mis-statements
Merge pull request #38 from getify/master

fixed some typos, clarified/corrected a few slight mis-statements
Decrease heading level of new string methods

This change keeps the heading levels/formatting consistent with the rest of the chapter
Merge pull request #40 from restlessdesign/patch-3

Decrease heading level of new string methods
Remove confusing sentence
Convert code block formats in chapter 1 - it turns out Leanpub supports GitHub formatting
Remove arrow function from example in chapter 1 (fixes #45)
Mention that new string methods throw an error when a regular expression s passed (fixes #47)
Update code block format in chapter 3
Fix property name in example (fixes #45)