ignoring doc/
ignoring .prefs
getting the inverted file using a dedicated method
this is the last searching class being introduced
getting the invertedFile's line which starts with our query word
handling the IOException
added the class which performs a research on an exploded weightFile
Merge branch 'master' of https://github.com/MayasHaddad/french-search-engine-lite

Conflicts:
	.gitignore