Definitions added to core
core skeletton and low-level: parse-markup, strip fns
core.clj: added funcvar, macro? fns
Intermittent commit: ccore macro handling, core utils streamlined to clj-utils/core; using checkouts dir
Bug fix: variadic functions with empty args; added tests for variadic and macro wrappers
previously omitted update to clj-utils jar; disabled checkouts in project.clj