Support 'from...import' syntax (no whitespace)

Author: Yury Selivanov

grammars/MagicPython.cson

@@ -815,7 +815,7 @@ repository:
   "from-import":
     match: '''
       (?x)
-        ^\\s* (from) (\\s+\\.*\\s*)
+        \\s* (from) (\\s*\\.+\\s*)
       
     '''
     captures:

grammars/MagicPython.syntax.yaml

@@ -570,7 +570,7 @@ repository:
   from-import:
     match: |
       (?x)
-        ^\s* (from) (\s+\.*\s*)
+        \s* (from) (\s*\.+\s*)
     captures:
       '1': {name: keyword.control.flow.python}
 

grammars/MagicPython.tmLanguage

@@ -1318,7 +1318,7 @@
       <dict>
         <key>match</key>
         <string>(?x)
-  ^\s* (from) (\s+\.*\s*)
+  \s* (from) (\s*\.+\s*)
 </string>
         <key>captures</key>
         <dict>

test/statements/import3.py

@@ -0,0 +1,18 @@
+from....import a
+from...import b
+from..import c
+
+
+
+from          : keyword.control.flow.python, source.python
+....          : source.python
+import        : keyword.control.flow.python, source.python
+ a            : source.python
+from          : keyword.control.flow.python, source.python
+...           : source.python
+import        : keyword.control.flow.python, source.python
+ b            : source.python
+from          : keyword.control.flow.python, source.python
+..            : source.python
+import        : keyword.control.flow.python, source.python
+ c            : source.python