Merge pull request #4 from mjorlitzky/master

Add 'Vec1' type synonyms
Add instance for Proxy (GHC>=7.8)

--HG--
extra : transplant_source : %8At%EC%F5%7C%9C%CF%E8%96%96%25%F6%BD7%C8%F2%C5%A2%C47
Remove unused import
Bump version
Added tag fixed-vector-0.6.2.0 for changeset ff1e4c072078
Add left scans
Bump
Change haddock formatting

hopefully it will work
Update changelog
Added tag fixed-vector-0.6.3.0 for changeset a0f4d946f89f
Fix ifoldr documentation.