Bump version to .99 for development
Cleaner method for indexing into envlist
Fix additional case in find_rtools.
Fixes #241
Update check for rtools 3.
Suggested by JJ Allaire
Rename test packages to avoid conflict with other installed packages
Change examples to use new test package names
source_gist: allow new urls with username, and private gists

Fixes #247
Set R environment variables for test() and document(). Fixes #246
Change with_env to with_envvar
Merge branch 'test-env-vars'
Update NEWS
Version bump
Tweak win builder messages
Fix broken rtools regexp.
Closes #262
Add LinkingTo to revdep defaults.
Fixes #237
Better release email.
Closes #252
Use no-multiarch in tests
Load code in a way that provides useful error messages.
Fixes #269
More check env vars. Closes #256
Tweak style