add standard cs_error_t error handler

this was prompted by the fact that calling CPG#send can sometimes result in :err_try_again, and we need to try again. But instead of handling it on just CPG#send, we handle it on all calls.
Handle exceptions from nested corosync function calls
update ffi-swig-generator

fix issue with callback structs and size_t
add a cpg chat example script
update ffi

was experiencing an issue, but i think it may have been my own fault. keeping the update anyway
add generic read_type and write_type methods to FFI::Pointer
add cmap service

needs specs
update documentation
add version management rake tasks
Version: 0.1.0.0

* add version management rake tasks
  Patrick Hemmer (2014-03-09 23:27:35 -0400) - @d9101ae

* update documentation
  Patrick Hemmer (2014-03-09 22:03:25 -0400) - @f37964b

* add cmap service
  Patrick Hemmer (2014-03-09 07:00:52 -0400) - @faddf4f

* add generic read_type and write_type methods to FFI::Pointer
  Patrick Hemmer (2014-03-09 06:46:14 -0400) - @5f21b58

* update ffi
  Patrick Hemmer (2014-03-09 06:41:20 -0400) - @7e2c4e1

* add a cpg chat example script
  Patrick Hemmer (2014-03-09 06:40:40 -0400) - @e00d4bf

* update ffi-swig-generator
  Patrick Hemmer (2014-03-09 04:32:01 -0400) - @f6b41d3

* Handle exceptions from nested corosync function calls
  Patrick Hemmer (2014-02-01 02:54:42 -0500) - @3c0e4b1

* add standard cs_error_t error handler
  Patrick Hemmer (2014-01-30 22:56:42 -0500) - @6bfe102

* add specs for votequorum state change & fix issues found
  Patrick Hemmer (2014-01-10 12:13:56 -0500) - @98fadc9

* add quorum specs for notify event & fix issues found
  Patrick Hemmer (2014-01-10 11:18:22 -0500) - @3529d33

* quorum fixes
  Patrick Hemmer (2014-01-10 08:37:38 -0500) - @6710678

* fix minor issues with quorum docs
  Patrick Hemmer (2014-01-09 16:25:36 -0500) - @7538862

* add votequorum
  Patrick Hemmer (2014-01-09 16:23:54 -0500) - @f30103c

* Add support for Quorum service
  Patrick Hemmer (2014-01-05 22:55:42 -0500) - @7cbf7d4