Research … so what you have done so far is called research 
…
Let me explain … here is a quote which you should be familiar with …
“Till, when he reached the setting place of the sun, he found it setting in a muddy spring, and found a people thereabout: We said: O Zul Qarnain! Either punish or show them kindness.” (Al-Kahf: 86)
Now a lot of “researches”, like you, have said that this shows that this book is nothing but lies … but it is the shortsightedness of these people … this normally happens when your aim is not to understand but to malign. Infact they are missing the beautifull message that this book has to offer and they are missing the message that has enriched the lives of billions of people.
Similarly you are only quoting passages. However if you were to read the book (this is from Mahatama Gandhi’s own book !!!) and understand the message it will enlighten you …
Once again “research” is a single word … it is not “re-search” … what you seem to be doing … googling and searching for filth .. this will only fill your mind with it … not enrich it !!!