added faster & cruder variants of the linear RGB to sRGB conversion functions.
added faster & cruder variants of the linear RGB to sRGB conversion functions.

Biart95/appleseed,Aakash1312/appleseed,appleseedhq/appleseed,aytekaman/appleseed,aiivashchenko/appleseed,glebmish/appleseed,pjessesco/appleseed,dictoon/appleseed,est77/appleseed,aiivashchenko/appleseed,gospodnetic/appleseed,appleseedhq/appleseed,Aakash1312/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,Aakash1312/appleseed,aiivashchenko/appleseed,glebmish/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,Vertexwahn/appleseed,aiivashchenko/appleseed,gospodnetic/appleseed,glebmish/appleseed,glebmish/appleseed,Biart95/appleseed,dictoon/appleseed,Biart95/appleseed,gospodnetic/appleseed,docwhite/appleseed,pjessesco/appleseed,docwhite/appleseed,aiivashchenko/appleseed,est77/appleseed,aytekaman/appleseed,dictoon/appleseed,appleseedhq/appleseed,luisbarrancos/appleseed,luisbarrancos/appleseed,pjessesco/appleseed,est77/appleseed,Aakash1312/appleseed,aytekaman/appleseed,est77/appleseed,dictoon/appleseed,Vertexwahn/appleseed,dictoon/appleseed,luisbarrancos/appleseed,est77/appleseed,aytekaman/appleseed,appleseedhq/appleseed,Vertexwahn/appleseed,gospodnetic/appleseed,docwhite/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,Biart95/appleseed,Aakash1312/appleseed,docwhite/appleseed,aytekaman/appleseed,docwhite/appleseed,gospodnetic/appleseed,Vertexwahn/appleseed,glebmish/appleseed,Biart95/appleseed