rcatmaid: catmaid R package v0.6

catmaid 0.6

• support for upcoming httr 1.0 release
• fix: ensure catmaid connection objects are passed to all downstream functions e.g. so that you can you use different servers in the same session.
• fix queries that match multiple annotations when using a defined connection object
• fix: ensure that catmaid_fetch works even if server does not have a terminal / and remote path is also missing a slash
• fix: servers don't have to be https