PixelYCbCr8 - a missing correction in comment
Standardize (now fixed) description of PixelYCbCr8
These should be separate sentences.
Clean up description of unsafeExtractComponent
Use proper deprecation pragma.

It would be nice to state in which version the function will be removed.
Cross reference comments on floating point pixels.
align columns
Expand and stylize description of Image type.
Expand description of DynamicImage
fix typo
grammar fix: third person singular
grammar fix: third person singular
grammar: better to end comment with full stop when using multiple sentences
english is explicit and does not use a silent subject

This might not be an absolute rule, but even if it is not,
I think exceptions are rare and this would not be one of them.
Merge pull request #54 from iger/master

More stylistic and comment changes