Don't highlight 'from.' when it's a part of a name

Fixes issue #22

Author: 1st1

grammars/MagicPython.cson

@@ -870,7 +870,7 @@ repository:
     '''
     match: '''
       (?x)
-        \\s* (from) (\\s*\\.+\\s*)
+        \\s* \\b(from)\\b (\\s*\\.+\\s*)
       
     '''
     captures:

grammars/MagicPython.tmLanguage

@@ -1393,7 +1393,7 @@ it's not tokenized as ellipsis.
 </string>
         <key>match</key>
         <string>(?x)
-  \s* (from) (\s*\.+\s*)
+  \s* \b(from)\b (\s*\.+\s*)
 </string>
         <key>captures</key>
         <dict>

grammars/src/MagicPython.syntax.yaml

@@ -618,7 +618,7 @@ repository:
       it's not tokenized as ellipsis.
     match: |
       (?x)
-        \s* (from) (\s*\.+\s*)
+        \s* \b(from)\b (\s*\.+\s*)
     captures:
       '1': {name: keyword.control.flow.python}
 

test/expressions/expr15.py

@@ -0,0 +1,8 @@
+foofrom.something
+
+
+
+foofrom       : source.python
+.             : source.python
+something     : source.python
+              : source.python