Added a new Variable SearchForm as an argument to replace the list of arguments (cat,order,status,sort,query)
Added a construction function for it so we can have default values (NewSearchForm() output a SearchForm{} with default values)
Fixed the view template so we show one torrent and not a list
Added a ViewTemplateVariables for the page
Design copied from NyaaTorrents
Reorganised some sql queries
Added dynamic navigation within torrents
Added nesting templates support
Added more variables/functions imported in the templates
Separated templates functions and variables in other files for more clarity
