“It should always be borne in mind in considering and dealing with contempt of court that it is an offence purely sui generis and that its punishment involves in most cases an exceptional interference with the liberty of the subject and that, by a method of process which would in no other case be permissible or even tolerated. Per G. B. A. COKER, J.S.C. in A.U. DEDUWA & ORS V. THE STATE (1975-LCER-978-SC) at P. 14, Para. C.