added identify
trying new structure
added width and height options
added current utility attribute
took out pre from version
initial commands
added dependency on subexec gem
fixed wrong naming of convert module
fixed string to integer conversion
rename options command_options
trying explicit receiver on attr_accessor values
pass nil into command_options array instead of an empty array when there are no args
options need to return self
make all method names underscored
gsub on string, not on symbol
changed command_options hash structure
fixed stupid hash mistake
requiring time helpers
option args from array to string
added composite function. DRY'd up code