Allow SectionManager->fetch to handle an array of Section ID's
Allow SectionManager->fetch to handle an array of Section ID's

symphonycms/symphony-2,ljonka/symphony-2,ayellowraven/projectplaten,twiro/symphony-2,avanteweb/symphony-2,roshinebagha/Symphony-Test,mazedigital/jcilearn,alexnantel88/symphony-2,ayellowraven/projectplaten,thebestsophist/personal-health-diary,allen/auth.getsymphony.com,bauhouse/sym-todo-list,michael-e/symphony-2,DeuxHuitHuit/symphony-2,jonmifsud/symphony-2,brendo/symphony-2,astudio/remixhair,jdsimcoe/symphony-boilerplate,symphonycms/sym-getsymphony,wastemobile/Symphony2.3.6,symphonycms/symphony-2,johnpuddephatt/symphony-2,rzantolas/Symphony-Test,avanteweb/symphony-2,rzantolas/Symphony-Test,symphonycms/sym-getsymphony,jdsimcoe/symphony-boilerplate,thebestsophist/personal-health-diary,wastemobile/Symphony2.3.6,jensscherbl/symphony,BloodBrother/symphony-2,blaXXabla/projet_test_symphony,bauhouse/Piano-Sonata,bauhouse/sym-pears,blaXXabla/projet_test_symphony,bauhouse/Piano-Sonata,johnpuddephatt/symphony-2,DavidForster/symphony-2,mazedigital/jcilearn,jurajkapsz/symphony-2,alexnantel88/symphony-2,jensscherbl/symphony,bauhouse/sym-todo-list,DavidForster/symphony-2,jurajkapsz/symphony-2,michael-e/symphony-2,roshinebagha/Symphony-Test,BloodBrother/symphony-2,astudio/remixhair,jonmifsud/symphony-2,ljonka/symphony-2,allen/auth.getsymphony.com,mazedigital/jcilearn,DeuxHuitHuit/symphony-2,jdsimcoe/symphony-boilerplate,bauhouse/sym-pears,twiro/symphony-2,brendo/symphony-2,jdsimcoe/symphony-boilerplate,NikoMostWanted/symphony-2,NikoMostWanted/symphony-2