arc.core.xxx -> arc.xxx
Devided arc.compiler into two files; arc.core and arc.compiler.
Devided into each NameSpaces.
Tried to support sleep. but stopped. Im going to do it later.
Supported timers
Supported eval
Fixed eval and added find-ns
Fixed set-timer to take arguments.
Fixed a bug in re-defining.
Added arc.unit : the unit test lib.
improved that Error prints its args.
Improved unit tests prints.
Fixed that when error occured in a timer-fn it will be crashed with root-process.
compiling...
Improved unit tests
Added new tests.
Added arc.core tests into the "make unit"
Improved repl : removed unnecessary prompt on runner mode.
Fixed a bug that arc.core::find-qq-eval is not supported dotted list.
Merge pull request #2 from smihica/refactor/packaging-arc-core

refactor/packaging arc core