0.7 Compatibility - Fix out-of-sync tests and deprecations

[helgee]

Some tests were failing because the reference values were out of sync with the original ERFA source. No idea why they did not throw on 0.6 🤷‍♂️

[coveralls]

Pull Request Test Coverage Report for Build 125

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+2.6%) to 91.63%

---

Totals
Change from base Build 121:	2.6%
Covered Lines:	624
Relevant Lines:	681

---

💛 - Coveralls

[codecov-io]

Codecov Report

Merging #39 into master will increase coverage by 2.64%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #39      +/-   ##
==========================================
+ Coverage   88.98%   91.62%   +2.64%     
==========================================
  Files          21       21              
  Lines         681      681              
==========================================
+ Hits          606      624      +18     
+ Misses         75       57      -18

Impacted Files	Coverage Δ
src/n.jl	100% <ø> (ø)	⬆️
src/x.jl	100% <ø> (ø)	⬆️
src/o.jl	100% <ø> (ø)	⬆️
src/b.jl	100% <ø> (ø)	⬆️
src/a.jl	88.96% <ø> (ø)	⬆️
src/l.jl	100% <ø> (ø)	⬆️
src/s.jl	82.35% <ø> (+3.92%)	⬆️
src/e.jl	92.3% <ø> (ø)	⬆️
src/ERFA.jl	100% <ø> (ø)	⬆️
src/t.jl	89.28% <ø> (ø)	⬆️
... and 10 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 98b0b42...226b3e9. Read the comment docs.