Adds default conditions

[jmbarbone]

closes #105

• Update colons.R (export standard, default conditions #105)
• Update match-arg.R (export standard, default conditions #105)
• Update condition.R (export standard, default conditions #105)
• Update cran-comments.md (export standard, default conditions #105)
• adds and updates default conditions (export standard, default conditions #105)
• redocs (export standard, default conditions #105)
• updates tests (export standard, default conditions #105)