diff --git a/README.rst b/README.rst
index 38f29d6d..d698bc7c 100644
--- a/README.rst
+++ b/README.rst
@@ -45,7 +45,7 @@ Jedi can currently be used with the following editors/projects:
 - Gedit (gedi_)
 - wdb_ - Web Debugger
 - `Eric IDE`_ (Available as a plugin)
-- `Ipython 6.0.0+ <http://ipython.readthedocs.io/en/stable/whatsnew/version6.html>`_
+- `Ipython 6.0.0+ <https://ipython.readthedocs.io/en/stable/whatsnew/version6.html>`_
 
 and many more!
 
@@ -72,7 +72,7 @@ Get the latest version from `github <https://github.com/davidhalter/jedi>`_
 Docs are available at `https://jedi.readthedocs.org/en/latest/
 <https://jedi.readthedocs.org/en/latest/>`_. Pull requests with documentation
 enhancements and/or fixes are awesome and most welcome. Jedi uses `semantic
-versioning <http://semver.org/>`_.
+versioning <https://semver.org/>`_.
 
 
 Installation
@@ -193,7 +193,7 @@ Acknowledgements
 
 
 .. _jedi-vim: https://github.com/davidhalter/jedi-vim
-.. _youcompleteme: http://valloric.github.io/YouCompleteMe/
+.. _youcompleteme: https://valloric.github.io/YouCompleteMe/
 .. _deoplete-jedi: https://github.com/zchee/deoplete-jedi
 .. _completor.vim: https://github.com/maralla/completor.vim
 .. _Jedi.el: https://github.com/tkf/emacs-jedi
@@ -205,11 +205,11 @@ Acknowledgements
 .. _anaconda: https://github.com/DamnWidget/anaconda
 .. _wdb: https://github.com/Kozea/wdb
 .. _TextMate: https://github.com/lawrenceakka/python-jedi.tmbundle
-.. _Kate: http://kate-editor.org
+.. _Kate: https://kate-editor.org
 .. _Atom: https://atom.io/
 .. _autocomplete-python-jedi: https://atom.io/packages/autocomplete-python-jedi
 .. _SourceLair: https://www.sourcelair.com
 .. _GNOME Builder: https://wiki.gnome.org/Apps/Builder
 .. _Visual Studio Code: https://code.visualstudio.com/
 .. _gedi: https://github.com/isamert/gedi
-.. _Eric IDE: http://eric-ide.python-projects.org
+.. _Eric IDE: https://eric-ide.python-projects.org
diff --git a/docs/_templates/ghbuttons.html b/docs/_templates/ghbuttons.html
index badb06af..07292e1f 100644
--- a/docs/_templates/ghbuttons.html
+++ b/docs/_templates/ghbuttons.html
@@ -1,4 +1,4 @@
 <h3>Github</h3>
-<iframe src="http://ghbtns.com/github-btn.html?user=davidhalter&repo=jedi&type=watch&count=true&size=large"
+<iframe src="https://ghbtns.com/github-btn.html?user=davidhalter&repo=jedi&type=watch&count=true&size=large"
         frameborder="0" scrolling="0" width="170" height="30" allowtransparency="true"></iframe>
 <br><br>
diff --git a/docs/conf.py b/docs/conf.py
index 0e25a883..37ae0642 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -274,7 +274,7 @@ autodoc_default_flags = []
 # -- Options for intersphinx module --------------------------------------------
 
 intersphinx_mapping = {
-    'http://docs.python.org/': None,
+    'https://docs.python.org/': None,
 }
 
 
diff --git a/docs/docs/features.rst b/docs/docs/features.rst
index aef32708..ad4e900c 100644
--- a/docs/docs/features.rst
+++ b/docs/docs/features.rst
@@ -157,7 +157,7 @@ are planned, others might be hard to implement and provide little worth):
 
 **Sphinx style**
 
-http://sphinx-doc.org/domains.html#info-field-lists
+http://www.sphinx-doc.org/en/stable/domains.html#info-field-lists
 
 ::
 
diff --git a/docs/docs/installation.rst b/docs/docs/installation.rst
index 80ad54d4..9058cf55 100644
--- a/docs/docs/installation.rst
+++ b/docs/docs/installation.rst
@@ -49,7 +49,7 @@ Debian
 ~~~~~~
 
 Debian packages are available in the `unstable repository
-<http://packages.debian.org/search?keywords=python%20jedi>`__.
+<https://packages.debian.org/search?keywords=python%20jedi>`__.
 
 Others
 ~~~~~~
diff --git a/docs/docs/usage.rst b/docs/docs/usage.rst
index 243c62b8..63a8ddf1 100644
--- a/docs/docs/usage.rst
+++ b/docs/docs/usage.rst
@@ -103,7 +103,7 @@ Using a custom ``$HOME/.pythonrc.py``
 .. autofunction:: jedi.utils.setup_readline
 
 .. _jedi-vim: https://github.com/davidhalter/jedi-vim
-.. _youcompleteme: http://valloric.github.io/YouCompleteMe/
+.. _youcompleteme: https://valloric.github.io/YouCompleteMe/
 .. _deoplete-jedi: https://github.com/zchee/deoplete-jedi
 .. _Jedi.el: https://github.com/tkf/emacs-jedi
 .. _elpy: https://github.com/jorgenschaefer/elpy
@@ -113,10 +113,10 @@ Using a custom ``$HOME/.pythonrc.py``
 .. _SynJedi: http://uvviewsoft.com/synjedi/
 .. _wdb: https://github.com/Kozea/wdb
 .. _TextMate: https://github.com/lawrenceakka/python-jedi.tmbundle
-.. _kate: http://kate-editor.org/
+.. _kate: https://kate-editor.org/
 .. _autocomplete-python-jedi: https://atom.io/packages/autocomplete-python-jedi
 .. _SourceLair: https://www.sourcelair.com
 .. _GNOME Builder: https://wiki.gnome.org/Apps/Builder/
 .. _gedi: https://github.com/isamert/gedi
-.. _Eric IDE: http://eric-ide.python-projects.org
+.. _Eric IDE: https://eric-ide.python-projects.org
 .. _Python Extension: https://marketplace.visualstudio.com/items?itemName=donjayamanne.python
diff --git a/docs/index.rst b/docs/index.rst
index 19c0706e..de92fa72 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -37,4 +37,4 @@ Resources
 
 - `Source Code on Github <https://github.com/davidhalter/jedi>`_
 - `Travis Testing <https://travis-ci.org/davidhalter/jedi>`_
-- `Python Package Index <http://pypi.python.org/pypi/jedi/>`_
+- `Python Package Index <https://pypi.python.org/pypi/jedi/>`_
diff --git a/jedi/evaluate/imports.py b/jedi/evaluate/imports.py
index fb328ef7..320f5e17 100644
--- a/jedi/evaluate/imports.py
+++ b/jedi/evaluate/imports.py
@@ -257,7 +257,7 @@ class Importer(object):
             # Since we know nothing about the call location of the sys.path,
             # it's a possibility that the current directory is the origin of
             # the Python execution.
-            sys_path_mod.insert(0, force_unicode(os.path.dirname(self.file_path)))
+            sys_path_mod.append(force_unicode(os.path.dirname(self.file_path)))
 
         return in_path + sys_path_mod
 
diff --git a/jedi/refactoring.py b/jedi/refactoring.py
index 93420f2b..86f60414 100644
--- a/jedi/refactoring.py
+++ b/jedi/refactoring.py
@@ -53,9 +53,8 @@ class Refactoring(object):
 
 def rename(script, new_name):
     """ The `args` / `kwargs` params are the same as in `api.Script`.
-    :param operation: The refactoring operation to execute.
-    :type operation: str
-    :type source: str
+    :param new_name: The new name of the script.
+    :param script: The source Script object.
     :return: list of changed lines/changed files
     """
     return Refactoring(_rename(script.usages(), new_name))
@@ -108,11 +107,12 @@ def extract(script, new_name):
 
     user_stmt = script._parser.user_stmt()
 
-    # TODO care for multiline extracts
+    # TODO care for multi-line extracts
     dct = {}
     if user_stmt:
         pos = script._pos
         line_index = pos[0] - 1
+        # Be careful here. 'array_for_pos' does not exist in 'helpers'.
         arr, index = helpers.array_for_pos(user_stmt, pos)
         if arr is not None:
             start_pos = arr[index].start_pos
@@ -123,7 +123,7 @@ def extract(script, new_name):
             start_line = new_lines[start_pos[0] - 1]
             text = start_line[start_pos[1]:e]
             for l in range(start_pos[0], end_pos[0] - 1):
-                text += '\n' + l
+                text += '\n' + str(l)
             if e is None:
                 end_line = new_lines[end_pos[0] - 1]
                 text += '\n' + end_line[:end_pos[1]]
@@ -143,7 +143,7 @@ def extract(script, new_name):
             new_lines[start_pos[0] - 1] = start_line
             new_lines[start_pos[0]:end_pos[0] - 1] = []
 
-            # add parentheses in multiline case
+            # add parentheses in multi-line case
             open_brackets = ['(', '[', '{']
             close_brackets = [')', ']', '}']
             if '\n' in text and not (text[0] in open_brackets and text[-1] ==
@@ -175,7 +175,7 @@ def inline(script):
     inlines = sorted(inlines, key=lambda x: (x.module_path, x.line, x.column),
                      reverse=True)
     expression_list = stmt.expression_list()
-    # don't allow multiline refactorings for now.
+    # don't allow multi-line refactorings for now.
     assert stmt.start_pos[0] == stmt.end_pos[0]
     index = stmt.start_pos[0] - 1
 
diff --git a/scripts/wx_check.py b/scripts/wx_check.py
index 1e48c39e..57389845 100755
--- a/scripts/wx_check.py
+++ b/scripts/wx_check.py
@@ -30,7 +30,7 @@ import jedi
 def process_memory():
     """
     In kB according to
-    http://stackoverflow.com/questions/938733/total-memory-used-by-python-process
+    https://stackoverflow.com/questions/938733/total-memory-used-by-python-process
     """
     return resource.getrusage(resource.RUSAGE_SELF).ru_maxrss