Increment version number to 2.7.0

fix function patching (#234)

Increment version number to 2.5.1

Increment version number to 2.5.0

single quote software names

fix sub-heading

update NEWS

fix doc issues

Increment version number to 2.3.0

Refactoring & improvements for tests for all functions (#175)

* improve tests for active snw search related functions

* format zzz tests

* improve scoring tests

* improve core tests

* improve core tests #2

* improve tests for comparison functions

* simplify kappa matrix necessary columns

* fix wording

* revert `ifelse` changes

* update comments

* improve clustering tests

* update default BioGRID version

* remove redundant stringsAsFactors args

* fix `gset_list_from_gmt()`

* improve data generation tests

* set line width to 80 and re-format

* improve tests for enrichment functions

* fix minor typo

* update doc

* move `single_iter_wrapper` out of `active_snw_enrichment_wrapper`

* improve tests for utility functions

* fix inappropriate name/doc for function

* fix doc

* improve tests for visualization functions

* update NEWS

* fix test for `configure_output_dir()`

* fix comparison function issues

* fix pkgdown yaml

* add missing function

* add arg missing in doc

* fix NOTE

* improve coverage