Changes in version 0.3.10                        

  - use set_gate(...) to pass basic grob parameters

                        Changes in version 0.3.9                        

  - add add-background.R

  - update examples

                        Changes in version 0.3.8                        

  - parse dots in qgates.R using list(...), and remove
    match.call(dots=TRUE)

  - update examples

                        Changes in version 0.3.7                        

  - reformulate qgates.R

                        Changes in version 0.3.6                        

  - update *_shape in set_gate()

  - update examples

                        Changes in version 0.3.5                        

  - update tests/testthat/test-qcircuit.R

                        Changes in version 0.3.4                        

  - polish qgates.R

                        Changes in version 0.3.3                        

  - polish

                        Changes in version 0.3.2                        

  - add wire_lwd in set_gate(), and polish gate_swap() accordingly

                        Changes in version 0.3.1                        

  - polish grid parameters in set_gate(), build_circuit_layout() and
    set_qubits()

  - update examples

                        Changes in version 0.3.0                        

  - reformulate the structures

                        Changes in version 0.2.0                        

  - use data.table to prepare qubits and qgate

                        Changes in version 0.1.0                        

  - initial release