v0.16.2

FITSIO v0.16.2

Diff since v0.16.1

Closed issues:

• Tag a new version (#137)
• getindex(FITS, String) does not work (#141)

Merged pull requests:

• Added method to get default header for AbstractArray (#140) (@siddharthlal25)
• import required functions from CFITSIO (#142) (@aplavin)
• Run tests on armv7l with Julia v1.3 and v1.4.1 (#143) (@giordano)
• minor readme fix and bumped version (#145) (@siddharthlal25)