Sorted out potential memory leak issues flagged by clang.

--HG--
extra : source : 8c64fd7dc040f0bf7f70dce589197fabd4caaae8
Updated pod spec
Added tag 1.0.6 for changeset ea78ac8d4fe9
Fixes issue #2, "misuse of NSUnderlyingErrorKey"
Updated docset
Jiggery pokery in unit tests.
Added -maximumExtendedAttributeSize and associated unit tests.
Updated docs for -maximumExtendedAttributeSize
Dropped -maximumExtendedAttributeSize method. Can't reliably determine what this value is and who cares. Use pathconf(2) if you really need to know. Experimentally, maximum extended attribute size is 2 GB on Mac OS 10.9/iOS 7, but only 128KB on 10.8.
Added tag 1.0.7 for changeset 00152dcfc4d8
Fixes #2
Added tag 1.0.8 for changeset 98073f9e7508