Special char parsing fix (cherry picked from commit 1b02a85) (cherry picked from commit 4caf462)
added new versions 5.1.4/4.8.4
0005635: new line parameters causes HTTP request splitting (cherry picked from commit 00009d2)
0005635: new line parameters causes HTTP request splitting (cherry picked from commit 530127f)
0005635: new line parameters causes HTTP request splitting convert new line char to html code (cherry picked from commit 9547452)
0005635: new line parameters causes HTTP request splitting remove new line from header (cherry picked from commit bf7a117)
0005635: new line parameters causes HTTP request splitting use oxHeader class, not plain function header() (cherry picked from commit 2d245ea)
0005635: new line parameters causes HTTP request splitting comment beautifying (cherry picked from commit c227254)