stride(), clarifications, and more Beta 4 changes
Fixed headers
Added changes to how CGFloat works
Other changes to standard library in Beta 4
Merge pull request #21 from radex/patch-6

More beta 4 changes
Merge branch 'master' of github.com:jklausa/SwiftInFlux into jklausa-master

Conflicts:
	README.md
Merge branch 'jklausa-master'
Merge branch 'beta4-cgfloat' of github.com:jklausa/SwiftInFlux into jklausa-beta4-cgfloat

Conflicts:
	README.md
Merge branch 'jklausa-beta4-cgfloat'
Merge branch 'patch-7' of github.com:radex/SwiftInFlux into radex-patch-7

Conflicts:
	README.md
Merge branch 'radex-patch-7'
Added 'dynamic' keyword
Added source link for dynamic keyword
Merge pull request #26 from tanadeau/master

Added 'dynamic' keyword
Limitations of current access control design
Fix link
Reference to "Limitations of access control design"
Implicit conversions
Merge pull request #27 from radex/patch-8

Limitations of current access control design
Merge pull request #28 from radex/patch-9

Implicit conversions