Added dynamic argument checking for 'readODS:read_ods()'

[bokov]

Added dynamic argument checking for 'readODS:read_ods()' as proposed in #223. Also more detailed tests.

Please ensure the following before submitting a PR:

• if suggesting code changes or improvements, open an issue first (Using the same argument filters as #222 for .import.rio_rdata, .import.rio_xls, and .import.rio_ods #223 )
• for all but trivial changes (e.g., typo fixes), add your name to DESCRIPTION
• for all but trivial changes (e.g., typo fixes), documentation your change in NEWS.md with a parenthetical reference to the issue number being addressed

Note: was I supposed to increment NEWS.md to rio 0.5.21 or add my changes to the 0.5.20 entry?

• if changing documentation, edit files in /R not /man and run devtools::document() to update documentation
• add code or new test files to /tests for any new functionality or bug fix
• make sure R CMD check runs without error before submitting the PR

Only pre-existing error, not caused by this PR

[codecov-io]

Codecov Report

Merging #225 into master will increase coverage by 0.35%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #225      +/-   ##
==========================================
+ Coverage   82.43%   82.78%   +0.35%     
==========================================
  Files          18       18              
  Lines         871      889      +18     
==========================================
+ Hits          718      736      +18     
  Misses        153      153

Impacted Files	Coverage Δ
R/import_methods.R	81.73% <100%> (+1.73%)	⬆️

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[jennybc]

I'm watching a series of related issues and PRs here re: ....

The tidyverse/r-lib packages are using the ellipsis package for similar functionality, in case that holds any interest. Yes, it would be a dependency. But it would also eliminate the need to grow your own solution here. YMMV 🤷‍♀️

[leeper]

Looks good - just a couple of nits.

[bokov]

One of the build environments failed during setup, prior to deployment of package:

Travis...

Installing R

49.44s$ sudo add-apt-repository -y "ppa:marutter/rrutter3.5"

gpg: keyring `/tmp/tmp2oopqjqz/secring.gpg' created

gpg: keyring `/tmp/tmp2oopqjqz/pubring.gpg' created

gpg: requesting key B04C661B from hkp server keyserver.ubuntu.com

Error: retrieving gpg key timed out.

gpg: /tmp/tmp2oopqjqz/trustdb.gpg: trustdb created

gpg: key B04C661B: public key "Launchpad PPA for marutter" imported

gpg: Total number processed: 1

gpg:               imported: 1  (RSA: 1)

OK

The command "sudo add-apt-repository -y "ppa:marutter/rrutter3.5"" failed and exited with 1 during .

Appveyor maybe this part ...

Packages required but not available:
  'haven', 'curl', 'data.table', 'readxl', 'openxlsx', 'tibble'
Packages suggested but not available:
  'bit64', 'testthat', 'knitr', 'magrittr', 'clipr', 'csvy', 'feather',
  'fst', 'hexView', 'jsonlite', 'pzfx', 'readODS', 'readr', 'rmatio',
  'xml2', 'yaml'