v0.11.0

• Drop support for Julia 0.4.
• Methods now accept String and, for strings written to the FITS file,
  an error is raised for non-ASCII strings.
• New write_key() function for writing to an HDU header.
• Homebrew.jl used for libcfitsio dependency on OS X.
• Remove extra newline from show output.
• Fix some deprecation warnings on Julia 0.7.
• Inline docstrings and HTML documentation generated with Documenter.jl.

v0.10.0

• Add FITS(::Vector{UInt8}) constructor: support for memory-backed files.
• Add support for FITS("file.fits") do f; ...; end, which automatically
  closes the file at the end of the block.
• Add Libcfitsio functions: fits_read_key_str, fits_read_key_lng,
  fits_read_keys_lng, fits_write_date low-level functions.
• Error message from opening a file now includes file name.

v0.9.0

• Fix deprecation warnings on Julia 0.6.
• Drop support for Julia 0.4.