Sqlite

NOTE: "file" means include/file.h and src/file.cpp

### Minor changes:
* added *.db to .gitignroe

### Sqlite:
* created function InsertRootIntoSqlite that inserts root data in an sqlite database in "SqliteInserter" 
* updated "CtypesWrappers" and py_modules/CtypesWrappers.py accordingly
* created routine sqlite_insert.py
* created routine sqlite_insert_observable_ids to put a table containing the observable ids corresponding to the columns in the 'points' table
* created routine sqlite_make_plots.py and sqlite_point.py, which work beautifully :)