Add different fetch (GET) methods

Closes #4, #5, and #6

See merge request escape2020/wp3/zenodoci!18

Update .gitlab-ci.yml for coverage

See merge request !17

add class method tests

See merge request !16

add tests

See merge request !15

in the repo, .zenodo.json file does not exist, but i need to search for it first, as well as the codemeta json file

take out metadata root key and update the update_metadata method in agreement with this

See merge request escape2020/wp3/zenodoci!14

Update docker env

See merge request escape2020/wp3/zenodoci!13

install bash script when installing script from setup

See merge request escape2020/wp3/zenodoci!12

allow only providing a .zenodo.json file to test the gitlab-zenodo upload

See merge request escape2020/wp3/zenodoci!11

Docker zenodoci

See merge request !10

Create package

See merge request escape2020/wp3/zenodoci!9

more complete printed info

See merge request escape2020/wp3/zenodoci!8

remove numpy from zenodoapi.py

See merge request !7

Fix zenodoci bug with metadata path file

See merge request !6

integrate test_connection_zenodo to the ZenodoAPI

Closes #3

See merge request escape2020/wp3/zenodoci!5

update readme and add all new codemeta modifications

See merge request escape2020/wp3/zenodoci!4

Add ci tests

See merge request escape2020/wp3/zenodoci!3