diff --git a/.gitattributes b/.gitattributes
index c5785ace780..0bea828e011 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,33 +1,33 @@
-# Set default behaviour, in case users don't have core.autocrlf set.
-# More info: https://help.github.com/articles/dealing-with-line-endings
-* text=auto
-
-
-# Explicitly declare text files we want to always be normalized and converted 
-# to native line endings on checkout.
-*.php text eol=lf
-*.pl text eol=lf
-*.sql text eol=lf
-*.htm text eol=lf
-*.html text eol=lf
-*.js text eol=lf
-*.css text eol=lf
-*.lang text eol=lf
-*.txt text eol=lf
-*.md text eol=lf
-*.pp text eol=lf
-*.sh text eol=lf
-*.yaml text eol=lf
-
-.bash_aliases text eol=lf
-
-# Denote all files that are truly binary and should not be modified.
-*.bmp binary
-*.ico binary
-*.png binary
-*.jpg binary
-*.odt binary
-*.odf binary
-*.frm binary
-*.MYD binary
-*.MYI binary
+# Set default behaviour, in case users don't have core.autocrlf set.
+# More info: https://help.github.com/articles/dealing-with-line-endings
+* text=auto
+
+
+# Explicitly declare text files we want to always be normalized and converted 
+# to native line endings on checkout.
+*.php text eol=lf
+*.pl text eol=lf
+*.sql text eol=lf
+*.htm text eol=lf
+*.html text eol=lf
+*.js text eol=lf
+*.css text eol=lf
+*.lang text eol=lf
+*.txt text eol=lf
+*.md text eol=lf
+*.pp text eol=lf
+*.sh text eol=lf
+*.yaml text eol=lf
+
+.bash_aliases text eol=lf
+
+# Denote all files that are truly binary and should not be modified.
+*.bmp binary
+*.ico binary
+*.png binary
+*.jpg binary
+*.odt binary
+*.odf binary
+*.frm binary
+*.MYD binary
+*.MYI binary
diff --git a/INSTALL b/INSTALL
index 584c3f04713..9f2fb214281 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,6 +1,6 @@
-INSTALL
--------
-
-English:     See README.md file.
-
-French:      Voir fichier README-FR.md.
+INSTALL
+-------
+
+English:     See README.md file.
+
+French:      Voir fichier README-FR.md.
diff --git a/htdocs/conf/phpinfo.php b/htdocs/conf/phpinfo.php
new file mode 100644
index 00000000000..179bd651458
--- /dev/null
+++ b/htdocs/conf/phpinfo.php
@@ -0,0 +1,5 @@
+<a href="index.php">Go back to index</a>
+| <a href="<?php echo $_SERVER["REQUEST_URI"];?>">Refresh</a>
+<br><br>
+
+<?php phpinfo(); ?>
\ No newline at end of file
diff --git a/htdocs/core/db/sqlite.class.php b/htdocs/core/db/sqlite.class.php
index b16114a773f..786bf435fcf 100644
--- a/htdocs/core/db/sqlite.class.php
+++ b/htdocs/core/db/sqlite.class.php
@@ -40,6 +40,12 @@ class DoliDBSqlite extends DoliDB
 	//! Resultset of last query
 	private $_results;
 
+	/**
+	 * Indique que les fonctions personnalisées sont définies
+	 * @var boolean
+	 */
+	private static $customFunctionsDefined = false;
+
     /**
 	 *	Constructor.
 	 *	This create an opened connexion to a database server and eventually to a database
@@ -153,7 +159,7 @@ class DoliDBSqlite extends DoliDB
 
     			// Process case: "CREATE TABLE llx_mytable(rowid integer NOT NULL AUTO_INCREMENT PRIMARY KEY,code..."
     			if (preg_match('/[\s\t\(]*(\w*)[\s\t]+int.*auto_increment/i',$line,$reg)) {
-    				$newline=preg_replace('/([\s\t\(]*)([a-zA-Z_0-9]*)[\s\t]+int.*auto_increment[^,]*/i','\\1 \\2 SERIAL PRIMARY KEY',$line);
+    				$newline=preg_replace('/([\s\t\(]*)([a-zA-Z_0-9]*)[\s\t]+int.*auto_increment[^,]*/i','\\1 \\2 integer PRIMARY KEY AUTOINCREMENT',$line);
                     //$line = "-- ".$line." replaced by --\n".$newline;
                     $line=$newline;
     			}
@@ -242,10 +248,17 @@ class DoliDBSqlite extends DoliDB
     				$line = "-- ".$line." replaced by --\n";
     				$line.= "CREATE ".(preg_match('/UNIQUE/',$reg[2])?'UNIQUE ':'')."INDEX ".$idxname." ON ".$tablename." (".$fieldlist.")";
     			}
-            }
+				if (preg_match('/ALTER\s+TABLE\s*(.*)\s*ADD\s+CONSTRAINT\s+(.*)\s*FOREIGN\s+KEY\s*\(([\w,\s]+)\)\s*REFERENCES\s+(\w+)\s*\(([\w,\s]+)\)/i',$line, $reg)) {
+					// Pour l'instant les contraintes ne sont pas créées
+					dol_syslog(get_class().'::query line emptied');
+					$line = 'SELECT 0;';
 
-            // To have postgresql case sensitive
-            $line=str_replace(' LIKE \'',' ILIKE \'',$line);
+				}
+
+				//if (preg_match('/rowid\s+.*\s+PRIMARY\s+KEY,/i', $line)) {
+					//preg_replace('/(rowid\s+.*\s+PRIMARY\s+KEY\s*,)/i', '/* \\1 */', $line);
+				//}
+            }
 
 			// Delete using criteria on other table must not declare twice the deleted table
 			// DELETE FROM tabletodelete USING tabletodelete, othertable -> DELETE FROM tabletodelete USING othertable
@@ -387,7 +400,53 @@ class DoliDBSqlite extends DoliDB
         $this->error = 0;
 
 		// Convert MySQL syntax to SQLite syntax
-		$query=$this->convertSQLFromMysql($query,$type);
+		if (preg_match('/ALTER\s+TABLE\s*(.*)\s*ADD\s+CONSTRAINT\s+(.*)\s*FOREIGN\s+KEY\s*\(([\w,\s]+)\)\s*REFERENCES\s+(\w+)\s*\(([\w,\s]+)\)/i',$query, $reg)) {
+			// Ajout d'une clef étrangère à la table
+			// procédure de remplacement de la table pour ajouter la contrainte
+			// Exemple : ALTER TABLE llx_adherent ADD CONSTRAINT adherent_fk_soc FOREIGN KEY (fk_soc) REFERENCES llx_societe (rowid)
+			// -> CREATE TABLE ( ... ,CONSTRAINT adherent_fk_soc FOREIGN KEY (fk_soc) REFERENCES llx_societe (rowid))
+			$foreignFields = $reg[5];
+			$foreignTable = $reg[4];
+			$localfields = $reg[3];
+			$constraintname=trim($reg[2]);
+			$tablename=trim($reg[1]);
+
+			$res = $this->db->query("SELECT sql FROM sqlite_master WHERE name='" . $tablename . "'");
+			$descTable = $res->fetchColumn();
+			$res->closeCursor();
+
+			// 1- Renommer la table avec un nom temporaire
+			$res = $this->query('ALTER TABLE ' . $tablename . ' RENAME TO tmp_' . $tablename);
+			$res->closeCursor();
+
+			// 2- Recréer la table avec la contrainte ajoutée
+
+			// on bricole la requete pour ajouter la contrainte
+			$descTable = substr($descTable, 0, strlen($descTable) - 1);
+			$descTable .= ", CONSTRAINT " . $constraintname . " FOREIGN KEY (" . $localfields . ") REFERENCES " .$foreignTable . "(" . $foreignFields . ")";
+
+			// fermeture de l'instruction
+			$descTable .= ')';
+
+			// Création proprement dite de la table
+			$res = $this->query($descTable);
+			$res->closeCursor();
+
+			// 3- Transférer les données
+			$res = $this->query('INSERT INTO ' . $tablename . ' SELECT * FROM tmp_' . $tablename);
+			$res->closeCursor();
+
+
+			// 4- Supprimer la table temporaire
+			$res = $this->query('DROP TABLE tmp_' . $tablename);
+			$res->closeCursor();
+
+			// dummy statement
+			$query="SELECT 0";
+
+		} else {
+			$query=$this->convertSQLFromMysql($query,$type);
+		}
 		//print "After convertSQLFromMysql:\n".$query."<br>\n";
 
 	    dol_syslog('sql='.$query, LOG_DEBUG);
@@ -487,7 +546,11 @@ class DoliDBSqlite extends DoliDB
     {
         // If resultset not provided, we take the last used by connexion
         if (! is_object($resultset)) { $resultset=$this->_results; }
-        return $resultset->rowCount();
+		if (preg_match("/^SELECT/i", $resultset->queryString)) {
+			$res = $this->db->query("SELECT count(*) FROM (" . $resultset->queryString . ") q");
+			return $res->fetchColumn();
+		}
+		return $resultset->rowCount();
     }
 
     /**
@@ -529,7 +592,12 @@ class DoliDBSqlite extends DoliDB
 	 */
     function escape($stringtoencode)
     {
-        return $this->db->quote($stringtoencode);
+		$ret = $this->db->quote($stringtoencode);
+		$l = strlen($ret);
+		if ($l >= 2) {
+			return substr($ret, 1, $l -2);
+		}
+		return '';
     }
 
     /**
@@ -1135,5 +1203,6 @@ class DoliDBSqlite extends DoliDB
 
         return $result;
     }
+
 }
 
diff --git a/htdocs/core/modules/DolibarrModules.class.php b/htdocs/core/modules/DolibarrModules.class.php
index 17b8b8e8def..0b0ceb5460c 100644
--- a/htdocs/core/modules/DolibarrModules.class.php
+++ b/htdocs/core/modules/DolibarrModules.class.php
@@ -1012,7 +1012,7 @@ abstract class DolibarrModules
         if ($resql)
         {
             $obj=$this->db->fetch_object($resql);
-            if (! empty($obj->value) && ! empty($this->rights))
+            if ($obj !== null && ! empty($obj->value) && ! empty($this->rights))
             {
                 // Si module actif
                 foreach ($this->rights as $key => $value)
diff --git a/htdocs/install/etape2.php b/htdocs/install/etape2.php
index 1f6c5244d84..d934f79f0af 100644
--- a/htdocs/install/etape2.php
+++ b/htdocs/install/etape2.php
@@ -51,6 +51,8 @@ if ($dolibarr_main_db_type == "mysql")  $choix=1;
 if ($dolibarr_main_db_type == "mysqli") $choix=1;
 if ($dolibarr_main_db_type == "pgsql")  $choix=2;
 if ($dolibarr_main_db_type == "mssql")  $choix=3;
+if ($dolibarr_main_db_type == "sqlite")  $choix=4;
+
 //if (empty($choix)) dol_print_error('','Database type '.$dolibarr_main_db_type.' not supported into etape2.php page');
 
 // Now we load forced value from install.forced.php file.
@@ -411,6 +413,7 @@ if ($action == "set")
         if ($choix==1) $dir = "mysql/functions/";
         elseif ($choix==2) $dir = "pgsql/functions/";
         elseif ($choix==3) $dir = "mssql/functions/";
+		elseif ($choix==4) { $dir = "sqlite/functions/"; }
 
         // Creation donnees
         $file = "functions.sql";
diff --git a/htdocs/install/fileconf.php b/htdocs/install/fileconf.php
index 2c6a5730100..49b80eb1b6b 100644
--- a/htdocs/install/fileconf.php
+++ b/htdocs/install/fileconf.php
@@ -306,7 +306,7 @@ if (! empty($force_install_message))
                     $class='DoliDB'.ucfirst($type);
                     include_once $dir."/".$file;
 
-                    if ($type == 'sqlite') continue;    // We hide sqlite because support can't be complete unti sqlit does not manage foreign key creation after table creation
+                    //if ($type == 'sqlite') continue;    // We hide sqlite because support can't be complete unti sqlit does not manage foreign key creation after table creation
 
 		            // Version min of database
                     $versionbasemin=explode('.',$class::VERSIONMIN);
diff --git a/htdocs/install/sqlite/functions/functions.sql b/htdocs/install/sqlite/functions/functions.sql
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/htdocs/install/sqlite/index.html b/htdocs/install/sqlite/index.html
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/index.php b/index.php
new file mode 100644
index 00000000000..c59480bf4de
--- /dev/null
+++ b/index.php
@@ -0,0 +1,2 @@
+<?php
+	header('Location: htdocs');
\ No newline at end of file