Add ability to parse the globular cluster pulsar table

[mattpitkin]

This closes #9

[pep8speaks]

Hello @mattpitkin! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2021-03-18 10:51:12 UTC

[codecov]

Codecov Report

Merging #77 (c1099d0) into master (3208300) will increase coverage by 0.81%.
The diff coverage is 89.71%.

@@            Coverage Diff             @@
##           master      #77      +/-   ##
==========================================
+ Coverage   68.59%   69.41%   +0.81%     
==========================================
  Files           5        5              
  Lines        2404     2501      +97     
  Branches      490      510      +20     
==========================================
+ Hits         1649     1736      +87     
- Misses        554      559       +5     
- Partials      201      206       +5     

Impacted Files	Coverage Δ
psrqpy/utils.py	53.37% <89.32%> (+5.66%)	⬆️
psrqpy/config.py	100.00% <100.00%> (ø)
psrqpy/search.py	75.34% <0.00%> (-0.07%)	⬇️

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